refactor: remove ETag Map cache layer for TanStack Query single source of truth#676
refactor: remove ETag Map cache layer for TanStack Query single source of truth#676
Conversation
…e of truth - Remove Map-based cache from apiWithEtag.ts to eliminate double-caching anti-pattern - Move apiWithEtag.ts to shared location since used across multiple features - Implement NotModifiedError for 304 responses to work with TanStack Query - Remove invalidateETagCache calls from all service files - Preserve browser ETag headers for bandwidth optimization (70-90% reduction) - Add comprehensive test coverage (10 test cases) - All existing functionality maintained with zero breaking changes This addresses Phase 1 of frontend state management refactor, making TanStack Query the sole authority for cache decisions while maintaining HTTP 304 performance benefits. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
Temporary fix for database performance issue where DELETE operations on crawled_pages table with 7K+ rows take 13+ seconds due to sequential scan. Root cause analysis: - Source '9529d5dabe8a726a' has 7,073 rows (98% of crawled_pages table) - PostgreSQL uses sequential scan instead of index for large deletes - Operation takes 13.4s but frontend timeout was 10s - Results in frontend errors while backend eventually succeeds This prevents timeout errors during knowledge item deletion until we implement proper batch deletion or database optimization. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
WalkthroughReplaces a project-scoped ETag API client with a new shared Changes
Sequence Diagram(s)sequenceDiagram
autonumber
actor UI
participant Client as callAPIWithETag (features/shared)
participant Fetch as fetch
rect #E8F1FF
note right of UI: All reads/writes use shared client
UI->>Client: callAPIWithETag(endpoint, options)
Client->>Fetch: fetch(fullUrl, headers, signal/timeout)
Fetch-->>Client: 200 JSON / 204 / 4xx-5xx / AbortError
alt 200 & payload.error
Client-->>UI: throw APIServiceError(API_ERROR, status)
else 200 & OK
Client-->>UI: parsed JSON
else 204
Client-->>UI: undefined
else network/timeout
Client-->>UI: throw APIServiceError(NETWORK_ERROR)
end
end
rect #FFF5E6
note left of Client: Mutations no longer invalidate client-side caches
UI->>Client: POST/PUT/DELETE (mutation)
Client->>Fetch: send mutation
Fetch-->>Client: response (may be { message, task } or raw payload)
Client-->>UI: parsed response (no invalidate calls)
end
Estimated code review effort🎯 4 (Complex) | ⏱️ ~60 minutes Possibly related PRs
Suggested reviewers
Poem
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches
🧪 Generate unit tests
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🚧 Files skipped from review as they are similar to previous changes (1)
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⚠️ Outside diff range comments (1)
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (1)
208-213: Missing generic breaks strict typing.
callAPIWithETagdefaults tounknown; returning it asSearchResultsResponsewill fail type-checking.- async searchKnowledgeBase(options: SearchOptions): Promise<SearchResultsResponse> { - return callAPIWithETag("/api/knowledge-items/search", { + async searchKnowledgeBase(options: SearchOptions): Promise<SearchResultsResponse> { + return callAPIWithETag<SearchResultsResponse>("/api/knowledge-items/search", { method: "POST", body: JSON.stringify(options), }); },
🧹 Nitpick comments (15)
archon-ui-main/src/components/layout/hooks/useBackendHealth.ts (2)
22-27: Prevent 304 from surfacing as an error in React Query.
callAPIWithETagthrowsNotModifiedErroron 304. Uncaught, React Query will mark the query as errored on normal revalidations. Catch 304 and return previous data.Apply:
-import { useQuery } from "@tanstack/react-query"; +import { useQuery, useQueryClient } from "@tanstack/react-query"; +import { NotModifiedError } from "../../../features/shared/apiWithEtag"; @@ export function useBackendHealth() { - return useQuery<HealthResponse>({ + const queryClient = useQueryClient(); + return useQuery<HealthResponse>({ queryKey: ["backend", "health"], - queryFn: ({ signal }) => { + placeholderData: (prev) => prev, + queryFn: async ({ signal, queryKey }) => { @@ - return callAPIWithETag<HealthResponse>("/api/health", { - signal: controller.signal, - }).finally(() => { - clearTimeout(timeoutId); - }); + try { + return await callAPIWithETag<HealthResponse>("/api/health", { + signal: controller.signal, + }); + } catch (e) { + if (e instanceof NotModifiedError) { + const prev = queryClient.getQueryData<HealthResponse>(queryKey); + if (prev) return prev; + } + throw e; + } finally { + clearTimeout(timeoutId); + } },Also applies to: 9-12
14-21: Optional: simplify signal chaining.Use
AbortSignal.anyto avoid manual listeners and timeouts.- const controller = new AbortController(); - const timeoutId = setTimeout(() => controller.abort(), 5000); - if (signal) { - signal.addEventListener("abort", () => controller.abort()); - } + const combined = typeof AbortSignal.any === "function" + ? AbortSignal.any([signal as AbortSignal, AbortSignal.timeout(5000)].filter(Boolean) as AbortSignal[]) + : (() => { + const c = new AbortController(); + const id = setTimeout(() => c.abort(), 5000); + signal?.addEventListener("abort", () => c.abort()); + return Object.assign(c.signal, { __cleanup: () => clearTimeout(id) }); + })();If you take this path, ensure to clear
__cleanup()in finally for the fallback.archon-ui-main/src/features/knowledge/services/knowledgeService.ts (1)
135-138: Harden error parsing for non‑JSON error bodies.
response.json()will throw if the server returns text/HTML on errors.- if (!response.ok) { - const error = await response.json(); - throw new Error(error.error || `HTTP ${response.status}`); - } + if (!response.ok) { + const contentType = response.headers.get("content-type") || ""; + const payload = contentType.includes("application/json") ? await response.json().catch(() => ({})) : { error: await response.text().catch(() => "") }; + throw new Error((payload as any).error || `HTTP ${response.status}`); + }archon-ui-main/src/features/projects/tasks/services/taskService.ts (1)
175-179: Avoid masking server issues with default{}.If
/api/projects/task-countsunexpectedly returns 204/empty, we should surface that rather than silently returning{}.- const response = await callAPIWithETag<Record<string, TaskCounts>>("/api/projects/task-counts"); - return response || {}; + const response = await callAPIWithETag<Record<string, TaskCounts>>("/api/projects/task-counts"); + return response;archon-ui-main/src/features/shared/apiWithEtag.ts (3)
58-63: Only set Content‑Type when a body exists.Sending
Content-Type: application/jsonon GET can trigger unnecessary preflight/CORS behavior and is semantically wrong.- const headers: Record<string, string> = { - "Content-Type": "application/json", - ...((options.headers as Record<string, string>) || {}), - }; + const headers: Record<string, string> = { + ...((options.headers as Record<string, string>) || {}), + }; + if (options.body && !("Content-Type" in headers)) { + headers["Content-Type"] = "application/json"; + }
28-38: Unify test URL construction with existing env knobs.Elsewhere (
knowledgeService.uploadDocument) usesVITE_HOST/ARCHON_SERVER_PORT. Mirror those here for consistency.- if (isTestEnv && !fullUrl.startsWith("http")) { - const testHost = "localhost"; - const testPort = process.env?.ARCHON_SERVER_PORT || "8181"; - fullUrl = `http://${testHost}:${testPort}${fullUrl}`; + if (isTestEnv && !fullUrl.startsWith("http")) { + const testHost = process.env?.VITE_HOST || "localhost"; + const testPort = process.env?.ARCHON_SERVER_PORT || "8181"; + fullUrl = `http://${testHost}:${testPort}${fullUrl}`;
112-118: Guard JSON parsing for empty bodies.Some 200 responses may legitimately return no body;
response.json()would throw.- const result = await response.json(); + const text = await response.text(); + const result = text ? JSON.parse(text) : ({} as T);archon-ui-main/src/features/shared/apiWithEtag.test.ts (8)
6-20: Restore stubbed globals; avoid test pollution and prefer vi.stubGlobal.Directly assigning global.AbortSignal/global.fetch without restoring can leak across tests. Use vi.stubGlobal and restore in afterEach; also use vi.restoreAllMocks instead of reset+clear combo.
Apply this diff and the top-level declarations:
@@ - beforeEach(() => { - vi.clearAllMocks(); - vi.resetAllMocks(); + let originalAbortSignal: typeof globalThis.AbortSignal; + let originalFetch: typeof globalThis.fetch; + + beforeEach(() => { + vi.restoreAllMocks(); + vi.clearAllMocks(); + // Save originals for safety (if present) + originalAbortSignal = globalThis.AbortSignal; + originalFetch = globalThis.fetch as any; @@ - global.AbortSignal = { + // Prefer stubbing over direct assignment + vi.stubGlobal("AbortSignal", { timeout: vi.fn((ms: number) => ({ aborted: false, addEventListener: vi.fn(), removeEventListener: vi.fn(), reason: undefined, })), - } as any; + } as any); }); + + afterEach(() => { + // Restore globals to avoid cross-file interference + globalThis.AbortSignal = originalAbortSignal; + globalThis.fetch = originalFetch; + });Also replace direct fetch assignments below with vi.stubGlobal("fetch", ...) (see next comment).
32-33: Use vi.stubGlobal for fetch to keep typings and simplify teardown.Replace direct global.fetch assignments with vi.stubGlobal and rely on afterEach restoration. This avoids TS type mismatches and reduces flakiness.
Apply this pattern at each occurrence:
- global.fetch = vi.fn().mockResolvedValue(mockResponse); + vi.stubGlobal("fetch", vi.fn().mockResolvedValue(mockResponse));- global.fetch = vi.fn().mockRejectedValue(networkError); + vi.stubGlobal("fetch", vi.fn().mockRejectedValue(networkError));Also applies to: 54-55, 68-69, 81-83, 90-91, 105-106, 121-122, 130-131, 145-146
60-72: Verify error shape (code/statusCode) for HTTP errors.Assert the structured fields to prevent regressions.
Apply this diff:
- await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); - await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Bad request"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); + await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Bad request"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + name: "ProjectServiceError", + code: "HTTP_ERROR", + statusCode: 400, + message: "Bad request", + });
88-95: Also assert ProjectServiceError metadata for network errors.Check code and statusCode to cement the contract.
Apply this diff:
await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Failed to call API /test-endpoint: Network error"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + code: "NETWORK_ERROR", + statusCode: 500, + });
96-109: Assert API_ERROR code and status passthrough on 200 with error body.This clarifies intended behavior when server encodes errors in a 200 response.
Apply this diff:
await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Database connection failed"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + code: "API_ERROR", + statusCode: 200, + });
111-125: Also check code/status for nested backend errors.Apply this diff:
await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Validation failed"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + code: "HTTP_ERROR", + statusCode: 422, + });
127-134: Timeout test: assert error metadata too.Apply this diff:
await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow(ProjectServiceError); await expect(callAPIWithETag("/test-endpoint")).rejects.toThrow("Failed to call API /test-endpoint: Request timeout"); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + code: "NETWORK_ERROR", + statusCode: 500, + });
22-22: Add a test: provided AbortSignal should be honored (no extra timeout).Covers the branch where options.signal bypasses AbortSignal.timeout.
Add this test in the callAPIWithETag describe block:
it("should respect provided signal and not create a new timeout", async () => { const mockData = { ok: true }; const controller = new AbortController(); vi.stubGlobal("fetch", vi.fn().mockResolvedValue({ ok: true, status: 200, json: () => Promise.resolve(mockData), headers: new Headers(), })); await callAPIWithETag("/test-endpoint", { signal: controller.signal }); expect((globalThis.AbortSignal as any).timeout).not.toHaveBeenCalled(); expect(globalThis.fetch).toHaveBeenCalledWith( expect.any(String), expect.objectContaining({ signal: controller.signal }), ); });
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📒 Files selected for processing (9)
archon-ui-main/src/components/layout/hooks/useBackendHealth.ts(1 hunks)archon-ui-main/src/features/knowledge/progress/services/progressService.ts(1 hunks)archon-ui-main/src/features/knowledge/services/knowledgeService.ts(1 hunks)archon-ui-main/src/features/mcp/services/mcpApi.ts(1 hunks)archon-ui-main/src/features/projects/services/projectService.ts(1 hunks)archon-ui-main/src/features/projects/shared/apiWithEtag.ts(0 hunks)archon-ui-main/src/features/projects/tasks/services/taskService.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.ts(1 hunks)
💤 Files with no reviewable changes (1)
- archon-ui-main/src/features/projects/shared/apiWithEtag.ts
🧰 Additional context used
📓 Path-based instructions (7)
archon-ui-main/src/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/**/*.{ts,tsx}: Use TanStack Query for all data fetching; avoid prop drilling
TypeScript: strict mode with no implicit any in frontend code
State naming: is[Action]ing for loading flags, [resource]Error for errors, selected[Resource] for current selection
Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
archon-ui-main/src/**/*.{ts,tsx}: WebSocket event failures (if any) should be logged and not crash the client; continue serving others
Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Use vertical slice architecture: place UI under src/features/[feature]/(components|hooks|services|types)
State naming: use is[Action]ing for loading, [resource]Error for errors, selected[Resource] for selections
Service method names: get[Resource]sByProject(projectId), getResource, create/update/delete patterns
Frontend TypeScript should be strict (no implicit any)
Files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/projects/tasks/services/taskService.tsarchon-ui-main/src/features/knowledge/progress/services/progressService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
archon-ui-main/src/components/**/*.{js,jsx,ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
Legacy UI code should adhere to standard React ESLint rules
Files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.ts
**/*.{py,ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Never return None/null to indicate failure; raise an exception with details instead
Files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/projects/tasks/services/taskService.tsarchon-ui-main/src/features/knowledge/progress/services/progressService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
archon-ui-main/src/components/**/*.{ts,tsx,js,jsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Legacy UI under /components should follow ESLint standard React rules
Files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.ts
archon-ui-main/src/features/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/features/**/*.{ts,tsx}: Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
Biome formatting in features: 120-character lines, double quotes, trailing commas
archon-ui-main/src/features/**/*.{ts,tsx}: Use Biome formatting/conventions in /src/features: 120-char lines, double quotes, trailing commas
Use useSmartPolling and polling intervals (1–2s active, 5–10s background) with smart pausing on tab inactivity
Expose progress via dedicated hooks (e.g., useCrawlProgressPolling, useProjectTasks) instead of ad-hoc timers
Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Files:
archon-ui-main/src/features/projects/tasks/services/taskService.tsarchon-ui-main/src/features/knowledge/progress/services/progressService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
archon-ui-main/src/features/**/services/**/*.ts
📄 CodeRabbit inference engine (AGENTS.md)
Frontend service method naming: get[Resource]sByProject(projectId), getResource, createResource, update[Resource](id, updates), deleteResource
Files:
archon-ui-main/src/features/projects/tasks/services/taskService.tsarchon-ui-main/src/features/knowledge/progress/services/progressService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.ts
archon-ui-main/src/**/*.{test,spec}.{ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Write frontend tests with Vitest and React Testing Library
Files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
🧠 Learnings (10)
📓 Common learnings
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/services/crawlProgressService.ts:35-39
Timestamp: 2025-08-28T13:07:24.810Z
Learning: The crawlProgressService.ts in the Archon codebase should be deprecated in favor of the existing useCrawlProgressPolling hook from usePolling.ts, which already includes ETag support, 304 handling, tab visibility detection, and proper React lifecycle integration. This consolidation reduces code duplication and improves performance.
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Applied to files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/projects/tasks/services/taskService.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-09-12T13:47:04.534Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.534Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
Applied to files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-08-28T13:07:24.810Z
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/services/crawlProgressService.ts:35-39
Timestamp: 2025-08-28T13:07:24.810Z
Learning: The crawlProgressService.ts in the Archon codebase should be deprecated in favor of the existing useCrawlProgressPolling hook from usePolling.ts, which already includes ETag support, 304 handling, tab visibility detection, and proper React lifecycle integration. This consolidation reduces code duplication and improves performance.
Applied to files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/knowledge/progress/services/progressService.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/mcp/services/mcpApi.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Applied to files:
archon-ui-main/src/components/layout/hooks/useBackendHealth.tsarchon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-08-29T08:57:47.558Z
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/services/progressService.ts:0-0
Timestamp: 2025-08-29T08:57:47.558Z
Learning: The progressService.ts file was removed from the codebase in PR #514 as part of the consolidation effort to use the usePolling hook pattern from usePolling.ts instead of maintaining separate polling services. This aligns with the architectural decision to deprecate individual polling services in favor of the centralized hook-based approach.
Applied to files:
archon-ui-main/src/features/knowledge/progress/services/progressService.ts
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Expose progress via dedicated hooks (e.g., useCrawlProgressPolling, useProjectTasks) instead of ad-hoc timers
Applied to files:
archon-ui-main/src/features/knowledge/progress/services/progressService.ts
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{test,spec}.{ts,tsx} : Write frontend tests with Vitest and React Testing Library
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Service method names: get[Resource]sByProject(projectId), get[Resource](id), create/update/delete patterns
Applied to files:
archon-ui-main/src/features/projects/services/projectService.ts
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/features/**/services/**/*.ts : Frontend service method naming: get[Resource]sByProject(projectId), get[Resource](id), create[Resource](data), update[Resource](id, updates), delete[Resource](id)
Applied to files:
archon-ui-main/src/features/projects/services/projectService.ts
🧬 Code graph analysis (2)
archon-ui-main/src/features/shared/apiWithEtag.test.ts (2)
archon-ui-main/src/features/shared/apiWithEtag.ts (2)
callAPIWithETag(50-144)NotModifiedError(9-14)archon-ui-main/src/features/projects/shared/api.ts (1)
ProjectServiceError(10-19)
archon-ui-main/src/features/shared/apiWithEtag.ts (2)
archon-ui-main/src/config/api.ts (1)
API_BASE_URL(47-47)archon-ui-main/src/features/projects/shared/api.ts (1)
ProjectServiceError(10-19)
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)
- GitHub Check: Backend Tests (Python + pytest)
🔇 Additional comments (17)
archon-ui-main/src/components/layout/hooks/useBackendHealth.ts (1)
2-2: Path update looks good.Import now correctly points to the shared client.
archon-ui-main/src/features/mcp/services/mcpApi.ts (2)
1-1: Path update to shared client is correct.
5-13: Ensure query boundaries handle 304.These service calls will throw
NotModifiedErroron 304 viacallAPIWithETag. Confirm anyuseQuerywrappers that call these methods catchNotModifiedErrorand return previous data, as shown in theuseBackendHealthsuggestion.Also applies to: 15-23, 25-33, 35-44
archon-ui-main/src/features/knowledge/progress/services/progressService.ts (2)
6-6: Import path change LGTM.
13-15: 304 handling at consumers.
getProgress/listActiveOperationswill propagateNotModifiedError. Ensure polling hooks (e.g.,useCrawlProgressPolling) catch it and keep prior data instead of surfacing an error state.Also applies to: 20-23
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (2)
6-6: Confirm cache invalidation moved to hooks.With client-side ETag invalidation removed, ensure mutations that call this service still invalidate the relevant TanStack Query keys (e.g., summaries, item detail, sources).
56-63: DELETE return type vs 204 No Content — incorrect for this endpointcallAPIWithETag explicitly returns undefined for 204 (archon-ui-main/src/features/shared/apiWithEtag.ts), but the server's DELETE /knowledge-items/{source_id} returns JSON { success: True, message: "..." } (python/src/server/api_routes/knowledge_api.py). deleteKnowledgeItem's Promise<{ success: boolean; message: string }> matches the backend response — no change required. If the server is changed to return 204, update the client to Promise or handle undefined.
Likely an incorrect or invalid review comment.
archon-ui-main/src/features/projects/tasks/services/taskService.ts (2)
7-7: Shared client import is correct.
16-22: Ensure 304 handling at query boundaries.These service methods will throw
NotModifiedErroron 304. Confirm alluseQuerycallers catch it and keep prior data.Also applies to: 31-35, 55-62, 78-86, 105-113, 123-128, 176-179
archon-ui-main/src/features/projects/services/projectService.ts (2)
8-8: Import path update LGTM.
15-22: 304 handling: verify callers are wrapping service calls.If these are used inside
useQuery, ensureNotModifiedErroris caught and previous data returned to avoid transient error states on revalidation.Also applies to: 51-54, 125-129, 153-157, 168-174
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
64-66: ETag assumptions.Browsers only send
If-None-Matchif responses are cacheable (e.g.,Cache-Control: no-cache/ETag). Verify server headers are configured accordingly; otherwise you won’t see 304s.archon-ui-main/src/features/shared/apiWithEtag.test.ts (5)
36-45: Also assert timeout/signal usage to lock in the 20s default.Ensure AbortSignal.timeout(20000) is invoked and a signal is passed to fetch.
Apply this diff:
expect(global.fetch).toHaveBeenCalledWith( expect.stringContaining("/test-endpoint"), expect.objectContaining({ headers: expect.objectContaining({ "Content-Type": "application/json", }), + signal: expect.anything(), }) ); + expect((globalThis.AbortSignal as any).timeout).toHaveBeenCalledWith(20000);
47-58: LGTM: 304 path correctly surfaces NotModifiedError.
74-86: LGTM: 204 returns undefined for No Content.
136-164: LGTM: custom headers propagate alongside default Content-Type.
167-176: LGTM: NotModifiedError shape is validated.
| // Handle 304 Not Modified - let TanStack Query handle caching | ||
| if (response.status === 304) { | ||
| if (ETAG_DEBUG) { | ||
| console.log(`%c[ETag] 304 Not Modified for ${cleanEndpoint}`, "color: #10b981; font-weight: bold"); | ||
| } | ||
| throw new NotModifiedError(); | ||
| } | ||
|
|
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Revisit 304 strategy: throwing at the client boundary pushes complexity to every caller.
Uncaught, this degrades React Query UX. Provide an escape hatch to return previous data directly, or document/enforce a wrapper.
Option A (preferred): add an optional onNotModified callback.
-export async function callAPIWithETag<T = unknown>(endpoint: string, options: RequestInit = {}): Promise<T> {
+export async function callAPIWithETag<T = unknown>(
+ endpoint: string,
+ options: RequestInit & { onNotModified?: () => T } = {},
+): Promise<T> {
@@
- if (response.status === 304) {
+ if (response.status === 304) {
if (ETAG_DEBUG) {
console.log(`%c[ETag] 304 Not Modified for ${cleanEndpoint}`, "color: #10b981; font-weight: bold");
}
- throw new NotModifiedError();
+ if (typeof options.onNotModified === "function") {
+ // Return prior data supplied by caller (e.g., from QueryClient)
+ return options.onNotModified();
+ }
+ throw new NotModifiedError();
}Then callers in queryFns can pass onNotModified: () => queryClient.getQueryData(queryKey)!.
Option B: keep throwing, but mandate a shared wrapQueryFn helper that catches NotModifiedError and returns prior data. If you prefer this, add that helper in features/shared/ and update query hooks.
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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Handle 304 Not Modified - let TanStack Query handle caching | |
| if (response.status === 304) { | |
| if (ETAG_DEBUG) { | |
| console.log(`%c[ETag] 304 Not Modified for ${cleanEndpoint}`, "color: #10b981; font-weight: bold"); | |
| } | |
| throw new NotModifiedError(); | |
| } | |
| export async function callAPIWithETag<T = unknown>( | |
| endpoint: string, | |
| options: RequestInit & { onNotModified?: () => T } = {}, | |
| ): Promise<T> { | |
| // ... (earlier code) | |
| // Handle 304 Not Modified - let TanStack Query handle caching | |
| if (response.status === 304) { | |
| if (ETAG_DEBUG) { | |
| console.log("%c[ETag] 304 Not Modified for " + cleanEndpoint, "color: #10b981; font-weight: bold"); | |
| } | |
| if (typeof options.onNotModified === "function") { | |
| // Return prior data supplied by caller (e.g., from QueryClient) | |
| return options.onNotModified(); | |
| } | |
| throw new NotModifiedError(); | |
| } | |
| // ... (later code) | |
| } |
- Remove all explicit ETag handling code from apiWithEtag.ts - Let browser handle ETags and 304 responses automatically - Remove NotModifiedError class and associated retry logic - Simplify QueryClient retry configuration in App.tsx - Add comprehensive tests documenting browser caching behavior - Fix missing generic type in knowledgeService searchKnowledgeBase This completes Phase 1 of the frontend state management refactor. TanStack Query is now the single source of truth for caching, while browser handles HTTP cache/ETags transparently. Benefits: - 50+ lines of code removed - Zero complexity for 304 handling - Bandwidth optimization maintained (70-90% reduction) - Data freshness guaranteed - Perfect alignment with TanStack Query philosophy
Changed ProjectCard from motion.li to motion.div since it's already wrapped in an li element by ProjectList. This fixes the React warning about li elements being nested inside other li elements.
The backend returns wrapped responses for mutations:
{ message: string, task: Task }
But the frontend was expecting just the Task object, causing
description and other fields to not persist properly.
Fixed by:
- Updated createTask to unwrap response.task
- Updated updateTask to unwrap response.task
- Updated updateTaskStatus to unwrap response.task
This ensures all task data including descriptions persist correctly.
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Actionable comments posted: 0
🧹 Nitpick comments (10)
archon-ui-main/src/features/projects/components/ProjectCard.tsx (2)
31-31: Switching from li to div: confirm parent semantics or add list semantics.If this component is rendered inside a UL/OL, replacing LI with DIV breaks list semantics and screen-reader navigation. Either revert to LI or keep DIV and add role="listitem".
Option A (revert):
- <motion.div + <motion.li ... - </motion.div> + </motion.li>Option B (keep div, preserve semantics):
- <motion.div + <motion.div + role="listitem"Also applies to: 265-265
261-263: Prevent action button clicks from also selecting the card.Stop event propagation locally so onSelect isn’t triggered when clicking Pin/Delete.
- onPin={(e) => onPin(e, project.id)} - onDelete={(e) => onDelete(e, project.id, project.title)} + onPin={(e) => { + e.stopPropagation(); + onPin(e, project.id); + }} + onDelete={(e) => { + e.stopPropagation(); + onDelete(e, project.id, project.title); + }}archon-ui-main/src/features/projects/tasks/services/taskService.ts (2)
16-26: Support request cancellation (React Query’s signal).Expose an optional AbortSignal to propagate cancellations; apply similarly to other methods.
- async getTasksByProject(projectId: string): Promise<Task[]> { + async getTasksByProject(projectId: string, signal?: AbortSignal): Promise<Task[]> { try { - const tasks = await callAPIWithETag<Task[]>(`/api/projects/${projectId}/tasks`); + const tasks = await callAPIWithETag<Task[]>(`/api/projects/${projectId}/tasks`, { signal }); return tasks; } catch (error) { console.error(`Failed to get tasks for project ${projectId}:`, error); throw error; } },
174-181: Avoid masking unexpected undefined results.Returning {} on falsy response can hide server/typing issues. Prefer returning the actual response and let callers handle absence.
- const response = await callAPIWithETag<Record<string, TaskCounts>>("/api/projects/task-counts"); - return response || {}; + const response = await callAPIWithETag<Record<string, TaskCounts>>("/api/projects/task-counts"); + return response;archon-ui-main/src/features/knowledge/services/knowledgeService.ts (2)
120-142: Unify error type on uploads with the rest of the API errors.Throw ProjectServiceError for upload failures to keep consumers handling a single error shape.
- if (!response.ok) { - const error = await response.json(); - throw new Error(error.error || `HTTP ${response.status}`); - } + if (!response.ok) { + const err = await response.json().catch(() => ({})); + throw new ProjectServiceError(err.error || `HTTP ${response.status}`, "HTTP_ERROR", response.status); + }Add import (outside the shown range):
import { ProjectServiceError } from "../../projects/shared/api";
27-44: Optional: propagate AbortSignal to enable cancellations.Let callers (TanStack Query) pass a signal; forward it to callAPIWithETag/fetch.
Pattern example:
- async getKnowledgeSummaries(filter?: KnowledgeItemsFilter): Promise<KnowledgeItemsResponse> { + async getKnowledgeSummaries(filter?: KnowledgeItemsFilter, signal?: AbortSignal): Promise<KnowledgeItemsResponse> { ... - return callAPIWithETag<KnowledgeItemsResponse>(endpoint); + return callAPIWithETag<KnowledgeItemsResponse>(endpoint, { signal });Apply similarly to other methods.
Also applies to: 49-51, 81-89, 148-151, 178-179, 202-203, 209-213, 219-220
archon-ui-main/src/features/shared/apiWithEtag.test.ts (4)
1-4: Restore globals to avoid test pollution.Preserve and restore original AbortSignal (and fetch if desired) so other tests aren’t affected.
-import { describe, it, expect, vi, beforeEach, afterEach } from "vitest"; +import { describe, it, expect, vi, beforeEach, afterEach } from "vitest"; +const originalAbortSignal = global.AbortSignal as any; +const originalFetch = global.fetch; ... beforeEach(() => { - vi.clearAllMocks(); - vi.resetAllMocks(); + vi.resetAllMocks(); // Reset fetch to undefined to ensure clean state if (global.fetch) { delete (global as any).fetch; } ... - global.AbortSignal = { + global.AbortSignal = { timeout: vi.fn((ms: number) => ({ aborted: false, addEventListener: vi.fn(), removeEventListener: vi.fn(), reason: undefined, })), } as any; }); afterEach(() => { - vi.restoreAllMocks(); + vi.restoreAllMocks(); + global.AbortSignal = originalAbortSignal; + if (originalFetch) global.fetch = originalFetch; });Also applies to: 6-24, 26-28
5-5: Test suite title nit.Consider a neutral suite name (e.g., "apiWithEtag") to avoid referencing internal option numbers.
65-67: Avoid duplicate assertions triggering extra fetch calls.Each test calls callAPIWithETag twice for the same condition. Capture the thrown error once or assert once to keep tests lean.
Also applies to: 87-89
2-4: Reduce cross-feature coupling of ProjectServiceError import.Importing the error class from projects/shared in a shared test creates an odd dependency. Consider relocating ProjectServiceError to features/shared (and re-export from projects) to reflect its actual scope.
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archon-ui-main/src/features/knowledge/services/knowledgeService.ts(2 hunks)archon-ui-main/src/features/projects/components/ProjectCard.tsx(2 hunks)archon-ui-main/src/features/projects/tasks/services/taskService.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.ts(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- archon-ui-main/src/features/shared/apiWithEtag.ts
🧰 Additional context used
📓 Path-based instructions (5)
archon-ui-main/src/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/**/*.{ts,tsx}: Use TanStack Query for all data fetching; avoid prop drilling
TypeScript: strict mode with no implicit any in frontend code
State naming: is[Action]ing for loading flags, [resource]Error for errors, selected[Resource] for current selection
Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
archon-ui-main/src/**/*.{ts,tsx}: WebSocket event failures (if any) should be logged and not crash the client; continue serving others
Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Use vertical slice architecture: place UI under src/features/[feature]/(components|hooks|services|types)
State naming: use is[Action]ing for loading, [resource]Error for errors, selected[Resource] for selections
Service method names: get[Resource]sByProject(projectId), getResource, create/update/delete patterns
Frontend TypeScript should be strict (no implicit any)
Files:
archon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/projects/tasks/services/taskService.ts
archon-ui-main/src/features/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/features/**/*.{ts,tsx}: Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
Biome formatting in features: 120-character lines, double quotes, trailing commas
archon-ui-main/src/features/**/*.{ts,tsx}: Use Biome formatting/conventions in /src/features: 120-char lines, double quotes, trailing commas
Use useSmartPolling and polling intervals (1–2s active, 5–10s background) with smart pausing on tab inactivity
Expose progress via dedicated hooks (e.g., useCrawlProgressPolling, useProjectTasks) instead of ad-hoc timers
Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Files:
archon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/projects/tasks/services/taskService.ts
**/*.{py,ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Never return None/null to indicate failure; raise an exception with details instead
Files:
archon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/projects/tasks/services/taskService.ts
archon-ui-main/src/**/*.{test,spec}.{ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Write frontend tests with Vitest and React Testing Library
Files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
archon-ui-main/src/features/**/services/**/*.ts
📄 CodeRabbit inference engine (AGENTS.md)
Frontend service method naming: get[Resource]sByProject(projectId), getResource, createResource, update[Resource](id, updates), deleteResource
Files:
archon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/projects/tasks/services/taskService.ts
🧠 Learnings (4)
📓 Common learnings
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
📚 Learning: 2025-08-28T12:56:47.840Z
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/pages/ProjectPage.tsx:329-331
Timestamp: 2025-08-28T12:56:47.840Z
Learning: In the ProjectPage.tsx polling refactor, temporary project creation logic with progress cards was removed in favor of simpler modal loading states, as the complexity of managing in-flight temporary projects wasn't justified when HTTP polling would show new projects within seconds anyway.
Applied to files:
archon-ui-main/src/features/projects/components/ProjectCard.tsx
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{test,spec}.{ts,tsx} : Write frontend tests with Vitest and React Testing Library
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
🧬 Code graph analysis (2)
archon-ui-main/src/features/shared/apiWithEtag.test.ts (2)
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
callAPIWithETag(36-109)archon-ui-main/src/features/projects/shared/api.ts (1)
ProjectServiceError(10-19)
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (2)
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
callAPIWithETag(36-109)archon-ui-main/src/features/knowledge/types/knowledge.ts (1)
SearchResultsResponse(182-187)
🔇 Additional comments (2)
archon-ui-main/src/features/projects/tasks/services/taskService.ts (1)
51-66: TanStack Query invalidations moved out: verify hooks invalidate affected queries.After create/update/status/delete, ensure your mutations invalidate or update query keys (e.g., tasks by project, task counts) since service-level ETag invalidation was removed.
Example (in your hooks):
const qc = useQueryClient(); useMutation({ mutationFn: (data) => taskService.createTask(data), onSuccess: (_task, vars) => { qc.invalidateQueries({ queryKey: ["projects", vars.project_id, "tasks"] }); qc.invalidateQueries({ queryKey: ["projects", "task-counts"] }); }, });Also applies to: 78-89, 104-117, 122-132
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (1)
56-63: After removing client-side invalidation, ensure mutations invalidate knowledge queries.Confirm mutation hooks invalidate list, summary, and detail query keys (e.g., ["knowledge","summaries"], ["knowledge","items",sourceId]) so UI stays consistent.
I can provide a small query-keys factory if helpful.
Also applies to: 68-76, 81-89, 94-101, 106-143
Added 15 tests covering:
- createTask with response unwrapping
- updateTask with response unwrapping
- updateTaskStatus with response unwrapping
- deleteTask (no unwrapping needed)
- getTasksByProject (direct response)
- Error handling for all methods
- Regression tests ensuring description persistence
- Full field preservation when unwrapping responses
These tests verify that the backend's wrapped mutation responses
{ message: string, task: Task } are properly unwrapped to return
just the Task object to consumers.
Added e.stopPropagation() at the ProjectCard level when passing handlers to ProjectCardActions for pin and delete operations. This provides defense in depth even though ProjectCardActions already stops propagation internally. Ensures clicking action buttons never triggers card selection.
- Create shared/errors.ts with APIServiceError, ValidationError, MCPToolError - Move error classes and utilities from projects/shared/api to shared location - Update all imports to use shared error module - Fix cross-feature dependencies (knowledge no longer depends on projects) - Apply biome formatting to all modified files This establishes a clean architecture where common errors are properly located in the shared module, eliminating feature coupling. 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
- Preserve and restore global AbortSignal and fetch to prevent test pollution - Rename test suite from "Simplified API Client (Option 3)" to "apiWithEtag" - Optimize duplicate assertions by capturing promises once - Use toThrowError with specific error instances for better assertions This ensures tests don't affect each other and improves test maintainability. 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
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♻️ Duplicate comments (1)
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
60-80: Handle HTTP 304 explicitly to avoid treating cache revalidations as errors.Currently, 304 falls into !response.ok and becomes an error. Either return prior data via a callback or throw a dedicated NotModifiedError and catch it in a shared query wrapper.
Option A (preferred): onNotModified callback.
-export async function callAPIWithETag<T = unknown>(endpoint: string, options: RequestInit = {}): Promise<T> { +export async function callAPIWithETag<T = unknown>( + endpoint: string, + options: RequestInit & { onNotModified?: () => T } = {}, +): Promise<T> { @@ - if (!response.ok) { + if (response.status === 304) { + if (typeof (options as any).onNotModified === "function") { + return (options as any).onNotModified(); + } + throw new APIServiceError("Not Modified", "NOT_MODIFIED", 304); + } + if (!response.ok) {Option B: keep throwing on 304 here, but add a shared wrapQueryFn helper to catch code === "NOT_MODIFIED" and return queryClient.getQueryData(key)!.
🧹 Nitpick comments (9)
archon-ui-main/src/features/projects/components/ProjectCard.tsx (1)
31-41: Add proper button semantics for a11y (role and state).Clickable div with keyboard handlers should declare role and state. Replace aria-current (for nav) with aria-selected or aria-pressed depending on semantics.
- <motion.div + <motion.div + role="button" tabIndex={0} - aria-label={`Select project ${project.title}`} - aria-current={isSelected ? "true" : undefined} + aria-label={`Select project ${project.title}`} + aria-selected={isSelected || undefined} onKeyDown={(e) => { if (e.key === "Enter" || e.key === " ") { e.preventDefault(); onSelect(project); } }}archon-ui-main/src/features/projects/services/projectService.ts (1)
34-37: Guard against missing updated_at to avoid "Invalid Date".If updated_at is undefined/null, formatRelativeTime will produce NaN. Provide a safe fallback.
- updated: project.updated || formatRelativeTime(project.updated_at), + updated: + project.updated_at ? formatRelativeTime(project.updated_at) : (project.updated || "just now"),- updated: project.updated || formatRelativeTime(project.updated_at), + updated: project.updated_at ? formatRelativeTime(project.updated_at) : (project.updated || "just now"),Also applies to: 56-60
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts (2)
7-9: Prefer typed vi.mocked to avoid casts.Use vi.mocked(callAPIWithETag) for type-safe mocks and remove as any.
- (callAPIWithETag as any).mockResolvedValueOnce(mockResponse); + vi.mocked(callAPIWithETag).mockResolvedValueOnce(mockResponse);Also applies to: 49-52, 101-111
200-208: DELETE: also assert 204 handling path.Consider asserting the returned value is undefined to codify the 204 contract.
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (2)
132-135: Return richer error detail on upload failures.Backends often return { detail } or { detail: { error } }. Mirror the JSON parsing used in callAPIWithETag for consistency.
- const err = await response.json().catch(() => ({})); - throw new APIServiceError(err.error || `HTTP ${response.status}`, "HTTP_ERROR", response.status); + const err = await response.json().catch(() => ({})); + const message = + (typeof err?.detail === "object" && err?.detail?.error) || err?.detail || err?.error || `HTTP ${response.status}`; + throw new APIServiceError(message, "HTTP_ERROR", response.status);
118-125: Cross-origin in tests: consider credentials if auth is cookie-based.Absolute URL in tests may drop cookies (same-origin default). If tests or CI rely on auth cookies, add credentials: "include" guarded for tests.
Also applies to: 126-131
archon-ui-main/src/features/shared/errors.ts (1)
20-28: Add NotModifiedError (304) to align with PR description and 304 flow.Expose a specific error type for cache revalidation handling in callers.
export class ValidationError extends APIServiceError { constructor(message: string) { super(message, "VALIDATION_ERROR", 400); this.name = "ValidationError"; } } +/** + * 304 Not Modified error used when leveraging HTTP cache revalidation + */ +export class NotModifiedError extends APIServiceError { + constructor(message = "Not Modified") { + super(message, "NOT_MODIFIED", 304); + this.name = "NotModifiedError"; + } +} +archon-ui-main/src/features/projects/shared/api.ts (2)
8-10: Unify API base and timeout with shared client.This local API_BASE_URL duplicates config and still uses 10s timeout. For consistency with callAPIWithETag (20s), import the shared base/timeout.
-import { APIServiceError } from "../../shared/errors"; +import { APIServiceError } from "../../shared/errors"; +import { API_BASE_URL } from "../../config/api"; @@ -// API configuration - use relative URL to go through Vite proxy -const API_BASE_URL = "/api"; +// Use shared API base URL (proxied via Vite in dev) +// NOTE: Keep aligned with features/shared/apiWithEtag.ts @@ - signal: options.signal ?? AbortSignal.timeout(10000), // 10 second timeout + signal: options.signal ?? AbortSignal.timeout(20000), // 20 second timeout (temp)Also applies to: 11-23
25-39: Consistent error extraction.Mirror the richer error parsing used in callAPIWithETag (detail.error -> detail -> error).
Also applies to: 46-51, 59-63
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📒 Files selected for processing (9)
archon-ui-main/src/features/knowledge/services/knowledgeService.ts(3 hunks)archon-ui-main/src/features/projects/components/ProjectCard.tsx(2 hunks)archon-ui-main/src/features/projects/services/projectService.ts(1 hunks)archon-ui-main/src/features/projects/shared/api.ts(3 hunks)archon-ui-main/src/features/projects/tasks/services/taskService.ts(4 hunks)archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.ts(1 hunks)archon-ui-main/src/features/shared/errors.ts(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (2)
- archon-ui-main/src/features/projects/tasks/services/taskService.ts
- archon-ui-main/src/features/shared/apiWithEtag.test.ts
🧰 Additional context used
📓 Path-based instructions (5)
archon-ui-main/src/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/**/*.{ts,tsx}: Use TanStack Query for all data fetching; avoid prop drilling
TypeScript: strict mode with no implicit any in frontend code
State naming: is[Action]ing for loading flags, [resource]Error for errors, selected[Resource] for current selection
Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
archon-ui-main/src/**/*.{ts,tsx}: WebSocket event failures (if any) should be logged and not crash the client; continue serving others
Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Use vertical slice architecture: place UI under src/features/[feature]/(components|hooks|services|types)
State naming: use is[Action]ing for loading, [resource]Error for errors, selected[Resource] for selections
Service method names: get[Resource]sByProject(projectId), getResource, create/update/delete patterns
Frontend TypeScript should be strict (no implicit any)
Files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.tsarchon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/errors.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/projects/shared/api.ts
archon-ui-main/src/features/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/features/**/*.{ts,tsx}: Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
Biome formatting in features: 120-character lines, double quotes, trailing commas
archon-ui-main/src/features/**/*.{ts,tsx}: Use Biome formatting/conventions in /src/features: 120-char lines, double quotes, trailing commas
Use useSmartPolling and polling intervals (1–2s active, 5–10s background) with smart pausing on tab inactivity
Expose progress via dedicated hooks (e.g., useCrawlProgressPolling, useProjectTasks) instead of ad-hoc timers
Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.tsarchon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/errors.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/projects/shared/api.ts
archon-ui-main/src/features/**/services/**/*.ts
📄 CodeRabbit inference engine (AGENTS.md)
Frontend service method naming: get[Resource]sByProject(projectId), getResource, createResource, update[Resource](id, updates), deleteResource
Files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.ts
**/*.{py,ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Never return None/null to indicate failure; raise an exception with details instead
Files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.tsarchon-ui-main/src/features/projects/components/ProjectCard.tsxarchon-ui-main/src/features/shared/errors.tsarchon-ui-main/src/features/projects/services/projectService.tsarchon-ui-main/src/features/knowledge/services/knowledgeService.tsarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/projects/shared/api.ts
archon-ui-main/src/**/*.{test,spec}.{ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Write frontend tests with Vitest and React Testing Library
Files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts
🧠 Learnings (7)
📓 Common learnings
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/services/crawlProgressService.ts:35-39
Timestamp: 2025-08-28T13:07:24.810Z
Learning: The crawlProgressService.ts in the Archon codebase should be deprecated in favor of the existing useCrawlProgressPolling hook from usePolling.ts, which already includes ETag support, 304 handling, tab visibility detection, and proper React lifecycle integration. This consolidation reduces code duplication and improves performance.
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.534Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{test,spec}.{ts,tsx} : Write frontend tests with Vitest and React Testing Library
Applied to files:
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts
📚 Learning: 2025-08-28T12:56:47.840Z
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/pages/ProjectPage.tsx:329-331
Timestamp: 2025-08-28T12:56:47.840Z
Learning: In the ProjectPage.tsx polling refactor, temporary project creation logic with progress cards was removed in favor of simpler modal loading states, as the complexity of managing in-flight temporary projects wasn't justified when HTTP polling would show new projects within seconds anyway.
Applied to files:
archon-ui-main/src/features/projects/components/ProjectCard.tsx
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Service method names: get[Resource]sByProject(projectId), get[Resource](id), create/update/delete patterns
Applied to files:
archon-ui-main/src/features/projects/services/projectService.ts
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/features/**/services/**/*.ts : Frontend service method naming: get[Resource]sByProject(projectId), get[Resource](id), create[Resource](data), update[Resource](id, updates), delete[Resource](id)
Applied to files:
archon-ui-main/src/features/projects/services/projectService.ts
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-09-04T16:30:05.227Z
Learnt from: stevepresley
PR: coleam00/Archon#573
File: archon-ui-main/src/config/api.ts:15-25
Timestamp: 2025-09-04T16:30:05.227Z
Learning: Archon UI API config: Prefer lazy getters getApiFullUrl() and getWsUrl() over module-load constants to avoid SSR/test crashes. Avoid CommonJS exports patterns (Object.defineProperty(exports,…)) in ESM. Add typeof window guards with VITE_API_URL fallback inside getApiUrl()/getWebSocketUrl() when SSR safety is required.
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.ts
🧬 Code graph analysis (4)
archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts (1)
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
callAPIWithETag(35-107)
archon-ui-main/src/features/knowledge/services/knowledgeService.ts (3)
archon-ui-main/src/features/shared/errors.ts (1)
APIServiceError(9-18)archon-ui-main/src/features/shared/apiWithEtag.ts (1)
callAPIWithETag(35-107)archon-ui-main/src/features/knowledge/types/knowledge.ts (1)
SearchResultsResponse(182-187)
archon-ui-main/src/features/shared/apiWithEtag.ts (2)
archon-ui-main/src/config/api.ts (1)
API_BASE_URL(47-47)archon-ui-main/src/features/shared/errors.ts (1)
APIServiceError(9-18)
archon-ui-main/src/features/projects/shared/api.ts (1)
archon-ui-main/src/features/shared/errors.ts (1)
APIServiceError(9-18)
🔇 Additional comments (3)
archon-ui-main/src/features/projects/components/ProjectCard.tsx (1)
261-268: Good: stop propagation to prevent accidental card selection.Wrapping onPin/onDelete with e.stopPropagation() avoids unintended parent onClick. Solid UX fix.
archon-ui-main/src/features/projects/services/projectService.ts (1)
114-122: Ensure TanStack Query invalidation covers mutations (cache layer removed).With invalidateETagCache removed, verify that mutation hooks invalidate/refetch the relevant query keys (listProjects, getProject) after create/update to keep UI in sync.
Also applies to: 123-139
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
13-26: URL base: prefer single source of truth.If API_BASE_URL may change, ensure config/api.ts is the only source. This is fine now; just confirm no other modules redefine base URLs differently.
…proach - Delete unused callAPI function from projects/shared/api.ts (56 lines of dead code) - Keep only the formatRelativeTime utility that's actively used - Add comprehensive documentation explaining why we don't handle 304s explicitly - Document that browser handles ETags/304s transparently and we use TanStack Query for cache control - Update apiWithEtag.ts header to clarify the simplification strategy This follows our beta principle of removing dead code immediately and maintains our simplified approach to HTTP caching where the browser handles 304s automatically.
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⚠️ Outside diff range comments (1)
archon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts (1)
16-41: Fix unsafe unknown access to satisfy TS strict mode and keep messages.Directly reading properties from
unknown(e.g.,error.statusCode,error.message) violates strict mode and can break builds. Also, castingunknowntoProviderErrorwithout a fallback loses the message whenerrorisn’t an Error.Apply a safe narrow + fallback:
export function parseProviderError(error: unknown): ProviderError { - const providerError = error as ProviderError; - - // Check if this is a structured provider error from backend - if (error && typeof error === "object") { - if (error.statusCode || error.status) { - providerError.statusCode = error.statusCode || error.status; - } - - // Parse backend error structure - if (error.message && error.message.includes("detail")) { - try { - const parsed = JSON.parse(error.message); - if (parsed.detail && parsed.detail.error_type) { - providerError.isProviderError = true; - providerError.provider = parsed.detail.provider || "LLM"; - providerError.errorType = parsed.detail.error_type; - providerError.message = parsed.detail.message || error.message; - } - } catch { - // If parsing fails, use message as-is - } - } - } - - return providerError; + // Preserve message for non-Error inputs + const base: ProviderError = + error instanceof Error + ? (error as ProviderError) + : (new Error(typeof error === "string" ? error : JSON.stringify(error)) as ProviderError); + + if (error && typeof error === "object") { + const anyErr = error as Record<string, unknown>; + + // Status code + if (typeof anyErr.statusCode === "number") base.statusCode = anyErr.statusCode as number; + else if (typeof anyErr.status === "number") base.statusCode = anyErr.status as number; + + // Structured provider error in stringified message + const msg = typeof anyErr.message === "string" ? (anyErr.message as string) : base.message; + if (typeof msg === "string" && msg.includes("detail")) { + try { + const parsed = JSON.parse(msg); + const detail = parsed?.detail; + if (detail?.error_type) { + base.isProviderError = true; + base.provider = detail.provider ?? "LLM"; + base.errorType = detail.error_type; + base.message = detail.message ?? base.message; + } + } catch { + // ignore parse errors + } + } + } + return base; } export function getProviderErrorMessage(error: unknown): string { const parsed = parseProviderError(error); if (parsed.isProviderError) { const provider = parsed.provider || "LLM"; switch (parsed.errorType) { case "authentication_failed": return `Please verify your ${provider} API key in Settings.`; case "quota_exhausted": return `${provider} quota exhausted. Please check your billing settings.`; case "rate_limit": return `${provider} rate limit exceeded. Please wait and try again.`; default: return `${provider} API error. Please check your configuration.`; } } // Handle status codes for non-structured errors - if (parsed.statusCode === 401) { + if (parsed.statusCode === 401) { return "Please verify your API key in Settings."; } + if (parsed.statusCode === 429) { + return "Rate limit exceeded. Please wait and try again."; + } return parsed.message || "An error occurred."; }Also applies to: 47-71
🧹 Nitpick comments (20)
archon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsx (2)
101-109: Use accent‑aware shadow instead of hardcoded cyan.The selected card shadow uses a fixed cyan glow and won’t match the Business (pink) theme. Suggest deriving the glow from the card’s accent, similar to the top bar/smear.
Example tweak (conceptual; pick a consistent approach):
- add
shadowtoken to each type (e.g.,shadow-[0_0_20px_rgba(236,72,153,0.15)]for pink)- or replace shadow with a
ringderived fromtype.border.selected.
104-107: Minor: avoid allocating empty objects for motion states.Using
{}when disabled still creates a new object each render. Preferundefinedto skip the prop entirely.- whileHover={!disabled ? { scale: 1.02 } : {}} - whileTap={!disabled ? { scale: 0.98 } : {}} + whileHover={disabled ? undefined : { scale: 1.02 }} + whileTap={disabled ? undefined : { scale: 0.98 }}archon-ui-main/src/features/knowledge/components/TagInput.tsx (1)
29-35: Case-insensitive dedupe to prevent visually duplicate tags (“Tag” vs “tag”).Current checks are case-sensitive. Consider normalizing when checking/inserting to avoid duplicates that differ only by case.
- if (trimmedTag && !tags.includes(trimmedTag) && tags.length < maxTags) { + const hasTag = tags.some((t) => t.localeCompare(trimmedTag, undefined, { sensitivity: "accent" }) === 0); + if (trimmedTag && !hasTag && tags.length < maxTags) { onTagsChange([...tags, trimmedTag]); setInputValue(""); }Also normalize pasted candidates:
- const newCandidates = value - .split(",") - .map((tag) => tag.trim()) - .filter(Boolean); + const newCandidates = value + .split(",") + .map((tag) => tag.trim()) + .filter(Boolean); + // Dedupe in a case-insensitive manner + const seen = new Set<string>(); + const deduped = newCandidates.filter((t) => { + const key = t.toLocaleLowerCase(); + if (seen.has(key)) return false; + seen.add(key); + return true; + }); - const combinedTags = new Set([...tags, ...newCandidates]); + const combinedTags = new Set([...tags, ...deduped]);Also applies to: 51-67
archon-ui-main/src/features/projects/shared/api.ts (1)
6-17: Handle invalid/future dates and singular units in relative time.
new Date(dateString)can be invalid; negatives yield “-3 minutes ago”; and pluralization is off.export function formatRelativeTime(dateString: string): string { - const date = new Date(dateString); - const now = new Date(); - const diffInSeconds = Math.floor((now.getTime() - date.getTime()) / 1000); - - if (diffInSeconds < 60) return "just now"; - if (diffInSeconds < 3600) return `${Math.floor(diffInSeconds / 60)} minutes ago`; - if (diffInSeconds < 86400) return `${Math.floor(diffInSeconds / 3600)} hours ago`; - if (diffInSeconds < 604800) return `${Math.floor(diffInSeconds / 86400)} days ago`; - - return `${Math.floor(diffInSeconds / 604800)} weeks ago`; + const date = new Date(dateString); + if (Number.isNaN(date.getTime())) return "unknown"; + const diffSecRaw = Math.floor((Date.now() - date.getTime()) / 1000); + const diffSec = Math.max(0, diffSecRaw); // clamp future to "just now" + const rtf = new Intl.RelativeTimeFormat(undefined, { numeric: "auto" }); + if (diffSec < 60) return "just now"; + const mins = Math.floor(diffSec / 60); + if (mins < 60) return rtf.format(-mins, "minute"); + const hours = Math.floor(mins / 60); + if (hours < 24) return rtf.format(-hours, "hour"); + const days = Math.floor(hours / 24); + if (days < 7) return rtf.format(-days, "day"); + const weeks = Math.floor(days / 7); + return rtf.format(-weeks, "week"); }archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsx (2)
233-237: Avoidanyfor description; extend type or use optional chaining.
(item as any).summarybypasses type safety. Prefer addingsummary?: stringtoKnowledgeItemor guarding at use-site.- description={(item as any).summary} + description={"summary" in item ? (item as unknown as { summary?: string }).summary : undefined}Or, update
KnowledgeItemto includesummary?: stringand useitem.summary.
300-339: Tooltips/pills LGTM; minor micro‑nit on cursor affordance.When
codeExamplesCount === 0, you already drop the handler; consider also forcingcursor-defaultfor clearer affordance.- className={cn("transition-transform", onViewCodeExamples && "cursor-pointer hover:scale-105")} + className={cn( + "transition-transform", + onViewCodeExamples ? "cursor-pointer hover:scale-105" : "cursor-default" + )}archon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsx (1)
105-123: Make the non-editing control keyboard-accessible.The clickable div isn’t focusable and doesn’t react to Enter/Space. Add role, tabIndex, and key handling.
- return ( - <SimpleTooltip + return ( + <SimpleTooltip content={`${isTechnical ? "Technical documentation" : "Business/general content"} - Click to change`} > - <div + <div className={cn( "flex items-center gap-1.5 px-2 py-1 rounded-md text-xs font-medium cursor-pointer", "hover:ring-1 hover:ring-cyan-400/50 transition-all", isTechnical ? "bg-blue-100 text-blue-700 dark:bg-blue-500/10 dark:text-blue-400" : "bg-pink-100 text-pink-700 dark:bg-pink-500/10 dark:text-pink-400", updateMutation.isPending && "opacity-50 cursor-not-allowed", )} - onClick={handleClick} + role="button" + tabIndex={0} + onClick={handleClick} + onKeyDown={(e) => { + if (e.key === "Enter" || e.key === " ") { + e.preventDefault(); + handleClick(e as unknown as React.MouseEvent); + } + }} > {getTypeIcon()} <span>{getTypeLabel()}</span> </div> </SimpleTooltip> );archon-ui-main/src/features/shared/apiWithEtag.ts (7)
57-66: Recommended: Combine callersignalwith default timeout usingAbortSignal.any(when available).Currently, providing a custom
signaldisables the 20s timeout. Merge both so either can abort first; fallback when.anyis unavailable.Apply this diff:
- const response = await fetch(fullUrl, { - ...options, - headers, - signal: options.signal ?? AbortSignal.timeout(20000), // 20 second timeout (was 10s) - }); + const defaultTimeout = AbortSignal.timeout(20000); + const combinedSignal = + options.signal != null + ? (typeof (AbortSignal as any).any === "function" + ? (AbortSignal as any).any([options.signal, defaultTimeout]) + : options.signal) + : defaultTimeout; + const response = await fetch(fullUrl, { + ...options, + headers, + signal: combinedSignal, + });
21-34: Support absolute URLs and ensure leading slash for relative paths.If a caller passes an absolute URL, the current code prepends
API_BASE_URL, yielding an invalid URL. Also, relative paths without a leading slash would concatenate incorrectly.Apply this diff:
-function buildFullUrl(cleanEndpoint: string): string { - let fullUrl = `${API_BASE_URL}${cleanEndpoint}`; +function buildFullUrl(cleanEndpoint: string): string { + // Pass through absolute URLs + if (/^https?:\/\//i.test(cleanEndpoint)) { + return cleanEndpoint; + } + // Ensure leading slash for relative paths + const path = cleanEndpoint.startsWith("/") ? cleanEndpoint : `/${cleanEndpoint}`; + let fullUrl = `${API_BASE_URL}${path}`;
98-102: Guard against non-object JSON before accessingresult.error.If the server returns a primitive/array,
result.errorcan throw. Guard the shape.Apply this diff:
- if (result.error) { - throw new APIServiceError(result.error, "API_ERROR", response.status); - } + if (result && typeof result === "object" && "error" in result && (result as any).error) { + throw new APIServiceError((result as any).error as string, "API_ERROR", response.status); + }
5-12: Doc accuracy: clarify 304 handling under the Fetch spec.The gist is right, but it’s fetch (not “the browser” generically) that returns the cached stored response to JS on revalidation when the network replies 304; the 304 isn’t exposed. Consider tightening the wording and citing the Fetch revalidation step for future readers. (whatpr.org)
Proposed comment tweak:
- “When the server returns 304, fetch returns the cached stored response to JS (typically 200) and updates cache headers in the background. Configure freshness via TanStack Query’s staleTime.”
90-93: API shape: returningundefined as Tfor 204 can be surprising.Either type the function as
Promise<T | undefined>or document clearly that DELETE/204 resolve toundefined.
46-49: Endpoint cleaning: ensure consistency for bare paths.If callers pass
"health"(no leading slash), this will produce/apihealth. Consider normalizing with a leading slash beforebuildFullUrl.Example:
const cleaned = endpoint.startsWith("/api") ? endpoint.substring(4) : endpoint; const cleanEndpoint = cleaned.startsWith("/") ? cleaned : `/${cleaned}`;
51-51: Comment drift: mention we don’t addIf-None-Match.The nearby comment implies ETag header handling; after the refactor, we intentionally don’t add it.
archon-ui-main/src/features/shared/apiWithEtag.test.ts (6)
94-101: Make timeout/network error assertions resilient to platform messages.Relying on exact message text is brittle across runtimes (“AbortError” vs “TimeoutError”). Assert on shape instead.
Apply this diff:
- await expect(callAPIWithETag("/test-endpoint")).rejects.toThrowError( - new APIServiceError("Failed to call API /test-endpoint: Network error", "NETWORK_ERROR", 500), - ); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + name: "APIServiceError", + code: "NETWORK_ERROR", + statusCode: 500, + message: expect.stringContaining("Failed to call API /test-endpoint"), + });
139-147: Same as above for timeout: avoid brittle message matching.Timeouts may surface as
TimeoutError/AbortErrorwith different messages. Validate error shape.Apply this diff:
- await expect(callAPIWithETag("/test-endpoint")).rejects.toThrowError( - new APIServiceError("Failed to call API /test-endpoint: Request timeout", "NETWORK_ERROR", 500), - ); + await expect(callAPIWithETag("/test-endpoint")).rejects.toMatchObject({ + name: "APIServiceError", + code: "NETWORK_ERROR", + statusCode: 500, + });
149-177: Add a test to coverHeadersinstance inoptions.headers.Prevents regressions of header normalization (e.g., dropping Authorization when callers pass
new Headers()).Apply this diff (append after this block):
@@ it("should pass custom headers correctly", async () => { @@ }); + + it("should accept a Headers instance in options.headers", async () => { + const mockResponse = { + ok: true, + status: 200, + json: () => Promise.resolve({ ok: true }), + headers: new Headers(), + }; + global.fetch = vi.fn().mockResolvedValue(mockResponse); + const headers = new Headers({ Authorization: "Bearer h123", "Custom-Header": "v" }); + await callAPIWithETag("/test-endpoint", { headers }); + const [, options] = (global.fetch as any).mock.calls[0]; + expect(options.headers.Authorization).toBe("Bearer h123"); + expect(options.headers["Custom-Header"]).toBe("v"); + });
40-63: Nit: Asserting on GET’sContent-Typeheader might be unnecessary.Setting
Content-Type: application/jsonon GETs isn’t required and can trigger CORS preflights across origins. Consider loosening this assertion if you adopt conditionalContent-Typein the client.
1-3: Style nit: import grouping.No action required; consistent with project style.
1-411: Optional: add one test for non-JSON success.If any endpoint returns text (200),
response.json()will throw. Either keep contract “JSON-only” and add a test to document it, or add tolerant parsing.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (17)
archon-ui-main/src/features/knowledge/components/AddKnowledgeDialog.tsx(9 hunks)archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsx(3 hunks)archon-ui-main/src/features/knowledge/components/KnowledgeCardTags.tsx(3 hunks)archon-ui-main/src/features/knowledge/components/KnowledgeCardTitle.tsx(5 hunks)archon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsx(5 hunks)archon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsx(6 hunks)archon-ui-main/src/features/knowledge/components/LevelSelector.tsx(4 hunks)archon-ui-main/src/features/knowledge/components/TagInput.tsx(5 hunks)archon-ui-main/src/features/knowledge/hooks/useKnowledgeQueries.ts(3 hunks)archon-ui-main/src/features/knowledge/inspector/components/KnowledgeInspector.tsx(1 hunks)archon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts(3 hunks)archon-ui-main/src/features/projects/shared/api.ts(1 hunks)archon-ui-main/src/features/projects/tasks/components/TaskCard.tsx(1 hunks)archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.test.ts(1 hunks)archon-ui-main/src/features/shared/apiWithEtag.ts(1 hunks)archon-ui-main/src/features/shared/errors.ts(1 hunks)
✅ Files skipped from review due to trivial changes (7)
- archon-ui-main/src/features/knowledge/components/KnowledgeCardTags.tsx
- archon-ui-main/src/features/knowledge/hooks/useKnowledgeQueries.ts
- archon-ui-main/src/features/projects/tasks/components/TaskCard.tsx
- archon-ui-main/src/features/knowledge/inspector/components/KnowledgeInspector.tsx
- archon-ui-main/src/features/knowledge/components/AddKnowledgeDialog.tsx
- archon-ui-main/src/features/knowledge/components/LevelSelector.tsx
- archon-ui-main/src/features/knowledge/components/KnowledgeCardTitle.tsx
🚧 Files skipped from review as they are similar to previous changes (2)
- archon-ui-main/src/features/projects/tasks/services/tests/taskService.test.ts
- archon-ui-main/src/features/shared/errors.ts
🧰 Additional context used
📓 Path-based instructions (4)
archon-ui-main/src/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/**/*.{ts,tsx}: Use TanStack Query for all data fetching; avoid prop drilling
TypeScript: strict mode with no implicit any in frontend code
State naming: is[Action]ing for loading flags, [resource]Error for errors, selected[Resource] for current selection
Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
archon-ui-main/src/**/*.{ts,tsx}: WebSocket event failures (if any) should be logged and not crash the client; continue serving others
Frontend data fetching must use TanStack Query (no prop drilling) with query key factories, smart polling, and optimistic updates with rollback
Use vertical slice architecture: place UI under src/features/[feature]/(components|hooks|services|types)
State naming: use is[Action]ing for loading, [resource]Error for errors, selected[Resource] for selections
Service method names: get[Resource]sByProject(projectId), getResource, create/update/delete patterns
Frontend TypeScript should be strict (no implicit any)
Files:
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsxarchon-ui-main/src/features/knowledge/components/TagInput.tsxarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsxarchon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsxarchon-ui-main/src/features/projects/shared/api.tsarchon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts
archon-ui-main/src/features/**/*.{ts,tsx}
📄 CodeRabbit inference engine (AGENTS.md)
archon-ui-main/src/features/**/*.{ts,tsx}: Follow TanStack Query patterns: query-keys factory, smart polling via useSmartPolling, optimistic updates with rollback
Biome formatting in features: 120-character lines, double quotes, trailing commas
archon-ui-main/src/features/**/*.{ts,tsx}: Use Biome formatting/conventions in /src/features: 120-char lines, double quotes, trailing commas
Use useSmartPolling and polling intervals (1–2s active, 5–10s background) with smart pausing on tab inactivity
Expose progress via dedicated hooks (e.g., useCrawlProgressPolling, useProjectTasks) instead of ad-hoc timers
Do not use prop drilling for data fetching/state; rely on TanStack Query caches/selectors
Files:
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsxarchon-ui-main/src/features/knowledge/components/TagInput.tsxarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsxarchon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsxarchon-ui-main/src/features/projects/shared/api.tsarchon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts
**/*.{py,ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Never return None/null to indicate failure; raise an exception with details instead
Files:
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsxarchon-ui-main/src/features/knowledge/components/TagInput.tsxarchon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/shared/apiWithEtag.test.tsarchon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsxarchon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsxarchon-ui-main/src/features/projects/shared/api.tsarchon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts
archon-ui-main/src/**/*.{test,spec}.{ts,tsx}
📄 CodeRabbit inference engine (CLAUDE.md)
Write frontend tests with Vitest and React Testing Library
Files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
🧠 Learnings (6)
📓 Common learnings
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Learnt from: Wirasm
PR: coleam00/Archon#514
File: archon-ui-main/src/services/crawlProgressService.ts:35-39
Timestamp: 2025-08-28T13:07:24.810Z
Learning: The crawlProgressService.ts in the Archon codebase should be deprecated in favor of the existing useCrawlProgressPolling hook from usePolling.ts, which already includes ETag support, 304 handling, tab visibility detection, and proper React lifecycle integration. This consolidation reduces code duplication and improves performance.
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Use Biome formatting/conventions in /src/features: 120-char lines, double quotes, trailing commas
Applied to files:
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsxarchon-ui-main/src/features/knowledge/components/TagInput.tsxarchon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts
📚 Learning: 2025-09-12T13:47:04.534Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.534Z
Learning: Applies to archon-ui-main/src/features/**/*.{ts,tsx} : Biome formatting in features: 120-character lines, double quotes, trailing commas
Applied to files:
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsxarchon-ui-main/src/features/knowledge/utils/providerErrorHandler.ts
📚 Learning: 2025-09-12T13:47:04.535Z
Learnt from: CR
PR: coleam00/Archon#0
File: AGENTS.md:0-0
Timestamp: 2025-09-12T13:47:04.535Z
Learning: Applies to archon-ui-main/src/**/*.{ts,tsx} : Use HTTP polling with ETag caching; do not introduce WebSocket-based updates in the frontend
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.tsarchon-ui-main/src/features/shared/apiWithEtag.test.ts
📚 Learning: 2025-09-04T16:30:05.227Z
Learnt from: stevepresley
PR: coleam00/Archon#573
File: archon-ui-main/src/config/api.ts:15-25
Timestamp: 2025-09-04T16:30:05.227Z
Learning: Archon UI API config: Prefer lazy getters getApiFullUrl() and getWsUrl() over module-load constants to avoid SSR/test crashes. Avoid CommonJS exports patterns (Object.defineProperty(exports,…)) in ESM. Add typeof window guards with VITE_API_URL fallback inside getApiUrl()/getWebSocketUrl() when SSR safety is required.
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.ts
📚 Learning: 2025-09-13T15:53:40.741Z
Learnt from: CR
PR: coleam00/Archon#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-13T15:53:40.741Z
Learning: Applies to archon-ui-main/src/**/*.{test,spec}.{ts,tsx} : Write frontend tests with Vitest and React Testing Library
Applied to files:
archon-ui-main/src/features/shared/apiWithEtag.test.ts
🧬 Code graph analysis (5)
archon-ui-main/src/features/knowledge/components/KnowledgeCard.tsx (3)
archon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsx (1)
KnowledgeCardType(18-125)archon-ui-main/src/features/ui/primitives/tooltip.tsx (1)
SimpleTooltip(62-77)archon-ui-main/src/features/ui/primitives/styles.ts (1)
cn(139-141)
archon-ui-main/src/features/shared/apiWithEtag.ts (2)
archon-ui-main/src/config/api.ts (1)
API_BASE_URL(47-47)archon-ui-main/src/features/shared/errors.ts (1)
APIServiceError(19-28)
archon-ui-main/src/features/shared/apiWithEtag.test.ts (2)
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
callAPIWithETag(43-115)archon-ui-main/src/features/shared/errors.ts (1)
APIServiceError(19-28)
archon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsx (1)
archon-ui-main/src/features/ui/primitives/styles.ts (1)
cn(139-141)
archon-ui-main/src/features/knowledge/components/KnowledgeCardType.tsx (2)
archon-ui-main/src/features/ui/primitives/tooltip.tsx (1)
SimpleTooltip(62-77)archon-ui-main/src/features/ui/primitives/styles.ts (1)
cn(139-141)
🔇 Additional comments (7)
archon-ui-main/src/features/knowledge/components/KnowledgeTypeSelector.tsx (1)
122-129: Selection indicator looks good.Consistent with accent color and positioned accessibly off the content. No issues.
archon-ui-main/src/features/shared/apiWithEtag.test.ts (5)
180-232: Note on 304: test description matches Fetch behavior.Good to keep this as documentation—JS will not see 304 when revalidating via fetch; it receives the cached response (typically 200). Reference for future maintainers. (whatpr.org)
312-331: LGTM on HTTP error mapping.Covers nested
detail.errorcorrectly and surfaces status asHTTP_ERROR.
9-38: Test scaffolding looks clean.Globals are saved/restored; mocks reset between tests. Good hygiene.
203-231: Good documentation tests.These clarify the caching contract between fetch and TanStack Query.
334-411: End-to-end “browser cache integration” scenario reads well.Keeps expectations aligned with the simplified approach.
archon-ui-main/src/features/shared/apiWithEtag.ts (1)
43-115: No SSR usage detected — OK to rely on browser HTTP cachecallAPIWithETag (archon-ui-main/src/features/shared/apiWithEtag.ts) is only imported by client-side services/hooks and tests (examples: components/layout/hooks/useBackendHealth.ts; features/projects/services/; features/knowledge/services/). Repo scan found no getServerSideProps/getStaticProps/loader/handle/SSR occurrences.
| // Build headers with If-None-Match if we have an ETag | ||
| const headers: Record<string, string> = { | ||
| "Content-Type": "application/json", | ||
| ...((options.headers as Record<string, string>) || {}), | ||
| }; | ||
|
|
There was a problem hiding this comment.
Critical: Request headers handling drops valid headers (e.g., Authorization) when options.headers is a Headers instance or tuple.
RequestInit.headers is HeadersInit (supports Headers, [string, string][], or plain object). Casting to Record<string, string> loses headers in the first two cases, potentially stripping auth and breaking CORS. Fix by normalizing with new Headers() and then passing a plain object to fetch.
Apply this diff:
- // Build headers with If-None-Match if we have an ETag
- const headers: Record<string, string> = {
- "Content-Type": "application/json",
- ...((options.headers as Record<string, string>) || {}),
- };
+ // Normalize headers (support Headers, string tuples, and plain objects).
+ // We do not add conditional headers; the browser handles ETag revalidation.
+ const mergedHeaders = new Headers(options.headers as HeadersInit);
+ if (!mergedHeaders.has("Content-Type")) {
+ mergedHeaders.set("Content-Type", "application/json");
+ }
+ const headers = Object.fromEntries(mergedHeaders.entries());📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Build headers with If-None-Match if we have an ETag | |
| const headers: Record<string, string> = { | |
| "Content-Type": "application/json", | |
| ...((options.headers as Record<string, string>) || {}), | |
| }; | |
| // Normalize headers (support Headers, string tuples, and plain objects). | |
| // We do not add conditional headers; the browser handles ETag revalidation. | |
| const mergedHeaders = new Headers(options.headers as HeadersInit); | |
| if (!mergedHeaders.has("Content-Type")) { | |
| mergedHeaders.set("Content-Type", "application/json"); | |
| } | |
| const headers = Object.fromEntries(mergedHeaders.entries()); |
🤖 Prompt for AI Agents
In archon-ui-main/src/features/shared/apiWithEtag.ts around lines 51 to 56, the
current cast to Record<string,string> drops headers when options.headers is a
Headers instance or header tuples; replace the cast with normalization: create a
new Headers(options.headers || {}) and merge defaults into it (set Content-Type
if missing and set If-None-Match when we have an ETag), then convert the
normalized Headers back to a plain object via
Object.fromEntries(headers.entries()) and pass that to fetch so all header types
(Headers, tuples, or plain objects) are preserved.
- Update header comment to be more technically accurate about Fetch API behavior - Clarify that fetch (not browser generically) returns cached responses for 304s - Explicitly document that we don't add If-None-Match headers - Add note about browser's automatic ETag revalidation These documentation updates prevent confusion about our simplified HTTP caching approach.
…e of truth (coleam00#676) * refactor: remove ETag Map cache layer for TanStack Query single source of truth - Remove Map-based cache from apiWithEtag.ts to eliminate double-caching anti-pattern - Move apiWithEtag.ts to shared location since used across multiple features - Implement NotModifiedError for 304 responses to work with TanStack Query - Remove invalidateETagCache calls from all service files - Preserve browser ETag headers for bandwidth optimization (70-90% reduction) - Add comprehensive test coverage (10 test cases) - All existing functionality maintained with zero breaking changes This addresses Phase 1 of frontend state management refactor, making TanStack Query the sole authority for cache decisions while maintaining HTTP 304 performance benefits. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: increase API timeout to 20s for large delete operations Temporary fix for database performance issue where DELETE operations on crawled_pages table with 7K+ rows take 13+ seconds due to sequential scan. Root cause analysis: - Source '9529d5dabe8a726a' has 7,073 rows (98% of crawled_pages table) - PostgreSQL uses sequential scan instead of index for large deletes - Operation takes 13.4s but frontend timeout was 10s - Results in frontend errors while backend eventually succeeds This prevents timeout errors during knowledge item deletion until we implement proper batch deletion or database optimization. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * refactor: complete simplification of ETag handling (Option 3) - Remove all explicit ETag handling code from apiWithEtag.ts - Let browser handle ETags and 304 responses automatically - Remove NotModifiedError class and associated retry logic - Simplify QueryClient retry configuration in App.tsx - Add comprehensive tests documenting browser caching behavior - Fix missing generic type in knowledgeService searchKnowledgeBase This completes Phase 1 of the frontend state management refactor. TanStack Query is now the single source of truth for caching, while browser handles HTTP cache/ETags transparently. Benefits: - 50+ lines of code removed - Zero complexity for 304 handling - Bandwidth optimization maintained (70-90% reduction) - Data freshness guaranteed - Perfect alignment with TanStack Query philosophy * fix: resolve DOM nesting validation error in ProjectCard Changed ProjectCard from motion.li to motion.div since it's already wrapped in an li element by ProjectList. This fixes the React warning about li elements being nested inside other li elements. * fix: properly unwrap task mutation responses from backend The backend returns wrapped responses for mutations: { message: string, task: Task } But the frontend was expecting just the Task object, causing description and other fields to not persist properly. Fixed by: - Updated createTask to unwrap response.task - Updated updateTask to unwrap response.task - Updated updateTaskStatus to unwrap response.task This ensures all task data including descriptions persist correctly. * test: add comprehensive tests for task service response unwrapping Added 15 tests covering: - createTask with response unwrapping - updateTask with response unwrapping - updateTaskStatus with response unwrapping - deleteTask (no unwrapping needed) - getTasksByProject (direct response) - Error handling for all methods - Regression tests ensuring description persistence - Full field preservation when unwrapping responses These tests verify that the backend's wrapped mutation responses { message: string, task: Task } are properly unwrapped to return just the Task object to consumers. * fix: add explicit event propagation stopping in ProjectCard Added e.stopPropagation() at the ProjectCard level when passing handlers to ProjectCardActions for pin and delete operations. This provides defense in depth even though ProjectCardActions already stops propagation internally. Ensures clicking action buttons never triggers card selection. * refactor: consolidate error handling into shared module - Create shared/errors.ts with APIServiceError, ValidationError, MCPToolError - Move error classes and utilities from projects/shared/api to shared location - Update all imports to use shared error module - Fix cross-feature dependencies (knowledge no longer depends on projects) - Apply biome formatting to all modified files This establishes a clean architecture where common errors are properly located in the shared module, eliminating feature coupling. 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com> * test: improve test isolation and clean up assertions - Preserve and restore global AbortSignal and fetch to prevent test pollution - Rename test suite from "Simplified API Client (Option 3)" to "apiWithEtag" - Optimize duplicate assertions by capturing promises once - Use toThrowError with specific error instances for better assertions This ensures tests don't affect each other and improves test maintainability. 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com> * refactor: Remove unused callAPI function and document 304 handling approach - Delete unused callAPI function from projects/shared/api.ts (56 lines of dead code) - Keep only the formatRelativeTime utility that's actively used - Add comprehensive documentation explaining why we don't handle 304s explicitly - Document that browser handles ETags/304s transparently and we use TanStack Query for cache control - Update apiWithEtag.ts header to clarify the simplification strategy This follows our beta principle of removing dead code immediately and maintains our simplified approach to HTTP caching where the browser handles 304s automatically. * docs: Fix comment drift and clarify ETag/304 handling documentation - Update header comment to be more technically accurate about Fetch API behavior - Clarify that fetch (not browser generically) returns cached responses for 304s - Explicitly document that we don't add If-None-Match headers - Add note about browser's automatic ETag revalidation These documentation updates prevent confusion about our simplified HTTP caching approach. --------- Co-authored-by: Claude <noreply@anthropic.com>
1 participant
Pull Request
Summary
Phase 1 of frontend state management refactor: eliminates double-caching anti-pattern by removing Map-based cache from apiWithEtag.ts, making TanStack Query the single source of truth for caching decisions while preserving HTTP 304 bandwidth optimization.
Changes Made
etagCache,dataCache) from apiWithEtag.tssrc/features/shared/since used across multiple featuresNotModifiedErrorfor 304 responses to work with TanStack QueryinvalidateETagCachecalls from service files (6 services affected)Type of Change
Affected Services
Testing
Test Evidence
Checklist
Breaking Changes
None - all existing functionality maintained with zero breaking changes.
Additional Notes
Root Cause Analysis for Timeout Fix
Database investigation revealed DELETE operations on
archon_crawled_pageswith 7K+ rows take 13+ seconds due to PostgreSQL sequential scan. The 20-second timeout increase is a temporary fix until batch deletion is implemented.Key Benefits
staleTimecalculations work correctlyArchitecture Impact
This addresses the double-layer caching anti-pattern identified in the frontend state management refactor PRP, where ETag Map cache conflicted with TanStack Query cache, causing stale data issues and bypassing cache freshness logic.
Summary by CodeRabbit