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feat(desktop): add Shift+Enter for multiline input in terminal#200

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Kitenite merged 6 commits intomainfrom
jade-cloud-3
Dec 1, 2025
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feat(desktop): add Shift+Enter for multiline input in terminal#200
Kitenite merged 6 commits intomainfrom
jade-cloud-3

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@Kitenite Kitenite commented Dec 1, 2025

Add iTerm-like Shift+Enter behavior to insert a newline without executing the command. Uses the quoted-insert approach (Ctrl+V + Enter) which works in bash, zsh, and other readline-based shells.

  • Create setupKeyboardHandler() to intercept Shift+Enter
  • Send \x16\r (Ctrl+V + CR) for literal newline insertion
  • Refactor keyboard handling to be configurable via callbacks

🤖 Generated with Claude Code

Description

Related Issues

Type of Change

  • Bug fix
  • New feature
  • Documentation
  • Refactor
  • Other (please describe):

Testing

Screenshots (if applicable)

Additional Notes

Summary by CodeRabbit

  • New Features

    • Shift+Enter adds terminal line-continuation behavior.
    • File path detection now supports paths spanning wrapped terminal lines.
    • Workspace header shows folder name without a leading slash.
  • Bug Fixes

    • Terminal URLs require CMD/Ctrl to activate, avoiding accidental opens.
  • Tests

    • Added comprehensive tests covering path detection, wrapped-line edge cases, activation, and false-positive filtering.

✏️ Tip: You can customize this high-level summary in your review settings.

Add iTerm-like Shift+Enter behavior to insert a newline without
executing the command. Uses the quoted-insert approach (Ctrl+V + Enter)
which works in bash, zsh, and other readline-based shells.

- Create setupKeyboardHandler() to intercept Shift+Enter
- Send \x16\r (Ctrl+V + CR) for literal newline insertion
- Refactor keyboard handling to be configurable via callbacks

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
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coderabbitai Bot commented Dec 1, 2025

Walkthrough

Refactors terminal file-path detection to support wrapped lines with multi-line range calculation, strengthens filtering for false positives, adds a comprehensive FilePathLinkProvider test suite, and replaces shortcut-forwarding with a new keyboard handler that wires Shift+Enter as a line-continuation sequence.

Changes

Cohort / File(s) Summary
File Path Link Detection & Tests
.../Terminal/FilePathLinkProvider.ts, .../Terminal/FilePathLinkProvider.test.ts
Detects file paths across wrapped lines by combining previous/current/next lines, introduces calculateLinkRange for multi-line start/end positions, tightens filters (skip URLs, versions, npm contexts, numeric-only), moves activation logic into a private method, removes hover/leave handlers, and adds extensive tests covering wrapped/unwrapped lines, edge cases, multiple paths, and modifier-key activation.
Keyboard & Shortcut Handling
.../Terminal/helpers.ts, .../Terminal/Terminal.tsx
Replaces setupShortcutForwarding with setupKeyboardHandler(xterm, options) and KeyboardHandlerOptions (supports onShiftEnter). Gates WebLinksAddon URL opening to cmd/ctrl modifiers, intercepts Shift+Enter to call onShiftEnter, redispatches meta/ctrl hotkeys to the document, and wires Shift+Enter in Terminal.tsx to send a backslash-newline continuation sequence to the shell.
UI Minor Text Change
.../WorkspaceHeader/WorkspaceHeader.tsx
Removes leading slash from displayed folder name in the header button (display changed from "/{folderName}" to "{folderName}").

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

  • Pay attention to multi-line range calculations and indexing in FilePathLinkProvider.ts.
  • Verify keyboard event interception and safe re-dispatch behavior in helpers.ts.
  • Review the comprehensive FilePathLinkProvider.test.ts for realistic mocks and coverage of wrapped-line edge cases.

Possibly related PRs

Poem

🐇
I hop through wrapped lines where file paths hide,
stitching columns and breaks with a curious stride.
Shift+Enter I bring, a backslash newline cheer,
Modifier-keys gate links — neat and clear.
A rabbit's small blessing for terminal cheer.

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)
Check name Status Explanation Resolution
Description check ⚠️ Warning The description covers the key implementation details and approach, but fails to complete required template sections like Type of Change, Testing, and Related Issues. Complete the required template sections: mark Type of Change checkbox (appears to be 'New feature'), describe testing performed, and link any related GitHub issues.
Docstring Coverage ⚠️ Warning Docstring coverage is 66.67% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (1 passed)
Check name Status Explanation
Title check ✅ Passed The title accurately describes the main feature: adding Shift+Enter for multiline input in terminal, which is the primary purpose of the PR.
✨ Finishing touches
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🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch jade-cloud-3

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📒 Files selected for processing (2)
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx (8 hunks)
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx (1 hunks)
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apps/desktop/**/*.{ts,tsx,js,jsx}

📄 CodeRabbit inference engine (apps/desktop/AGENTS.md)

For Electron interprocess communication, ALWAYS use tRPC as defined in src/lib/trpc

Files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
apps/desktop/**/*.{ts,tsx}

📄 CodeRabbit inference engine (apps/desktop/AGENTS.md)

apps/desktop/**/*.{ts,tsx}: Please use alias as defined in tsconfig.json when possible
Prefer zustand for state management if it makes sense. Do not use effect unless absolutely necessary

Files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
**/*.{ts,tsx}

📄 CodeRabbit inference engine (AGENTS.md)

**/*.{ts,tsx}: Avoid using any type - use explicit types instead for type safety
Use camelCase for variable and function names following existing codebase patterns
Keep diffs minimal with targeted edits only - avoid unnecessary changes when making modifications
Follow existing patterns and match the codebase style when writing new code

Files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
**/components/**/*.tsx

📄 CodeRabbit inference engine (AGENTS.md)

**/components/**/*.tsx: Create one folder per component with structure: ComponentName/ComponentName.tsx + index.ts for barrel export
Co-locate tests next to the component file they test (e.g., ComponentName.test.tsx)
Co-locate dependencies (utils, hooks, constants, config, stories) next to the file using them
Use nested components/ subdirectory within a parent component only if a sub-component is used 2+ times within that parent; otherwise keep it in the parent's components/ folder
One component per file - avoid multi-component files

Files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
apps/desktop/src/renderer/**/*.{ts,tsx}

📄 CodeRabbit inference engine (AGENTS.md)

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  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
apps/desktop/src/renderer/**/*.tsx

📄 CodeRabbit inference engine (AGENTS.md)

Call IPC methods using window.ipcRenderer.invoke() with object parameters - TypeScript will infer the exact response type automatically

Files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx
🧠 Learnings (2)
📚 Learning: 2025-11-28T01:03:47.963Z
Learnt from: CR
Repo: superset-sh/superset PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-11-28T01:03:47.963Z
Learning: Applies to **/*.{ts,tsx} : Keep diffs minimal with targeted edits only - avoid unnecessary changes when making modifications

Applied to files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
📚 Learning: 2025-11-24T21:33:13.267Z
Learnt from: CR
Repo: superset-sh/superset PR: 0
File: apps/desktop/AGENTS.md:0-0
Timestamp: 2025-11-24T21:33:13.267Z
Learning: Applies to apps/desktop/**/*.{ts,tsx} : Please use alias as defined in `tsconfig.json` when possible

Applied to files:

  • apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx
🧬 Code graph analysis (1)
apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx (1)
apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/helpers.ts (1)
  • setupKeyboardHandler (140-171)
⏰ 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: Build
🔇 Additional comments (5)
apps/desktop/src/renderer/screens/main/components/WorkspaceView/WorkspaceHeader/WorkspaceHeader.tsx (1)

97-97: LGTM!

The removal of the leading slash provides a cleaner display for the folder name in the header button.

apps/desktop/src/renderer/screens/main/components/WorkspaceView/ContentView/TabsContent/Terminal/Terminal.tsx (4)

30-32: LGTM!

The comment clarifies the purpose of the workspaceCwd query.


52-78: LGTM!

The subscription handling improvements prevent data loss during terminal initialization. The approach of always listening (enabled: true) while internally buffering events until scrollback recovery completes is sound.


214-236: LGTM!

The added comments (lines 214, 222, 236) provide helpful context for theme synchronization, background matching, and Electron API usage.


175-184: Remove this review comment - the implementation is correct.

The code correctly implements line continuation using shell's native backslash-newline syntax ("\\\n"). In shell, a backslash at the end of a line escapes the newline character, creating a continuation—the shell does not execute the command but instead displays a continuation prompt (typically >) and waits for additional input.

The setupKeyboardHandler function correctly intercepts Shift+Enter, prevents default Enter processing (return false), and invokes the callback that sends "\\\n" through the IPC write mutation. This aligns with the documented intent in helpers.ts: "Shift+Enter: Creates a line continuation (like iTerm) instead of executing."

The implementation does not match the behavior you described. The "\n" does not trigger execution when preceded by "\\" because the backslash escapes it in shell parsing. This approach works consistently across bash, zsh, and other POSIX shells without requiring special readline features.


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Kitenite and others added 2 commits November 30, 2025 19:03
Replace Ctrl+V quoted-insert approach with shell's native line
continuation (backslash + newline). Also block both keydown and
keyup events to prevent Enter from leaking through.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
@Kitenite Kitenite merged commit 2208de2 into main Dec 1, 2025
7 checks passed
@Kitenite Kitenite deleted the jade-cloud-3 branch December 1, 2025 03:28
Kitenite added a commit that referenced this pull request Apr 16, 2026
Agents shouldn't guess whether a section is a task, issue, or PR from
context clues. Each contributor now prefixes its heading with the kind:

- `# GitHub Issue #123 — Auth middleware stores tokens in plaintext`
- `# Task TASK-42 — Refactor auth middleware`
- `# PR #200 — Rewrite auth middleware`

PR phrasing also clarified: "This PR is checked out in this workspace
on branch `fix/auth-encryption`. Commits you make here will be added
to this PR."

54 tests green; 2 snapshots updated.
Kitenite added a commit that referenced this pull request Apr 16, 2026
* Create doc

* docs(desktop): finalize v2 launch context plan

Replace initial draft with V2-greenfield architecture: structured
AgentLaunchSpec (system/user/attachments ContentPart[]), per-agent
contextPromptTemplate on ResolvedAgentConfig, Uint8Array over IPC,
vendor-aligned (AI SDK v3, Anthropic cache_control, Continue.dev
contributor metadata). CLI agents keep disk + path-ref pattern;
chat agents get structured passthrough with Files API as phase 6.

* feat(desktop/context): add v2 launch context types and fixtures

Step 1 of the v2 launch-context composition plan. Defines the core
discriminated types (LaunchSource, ContextSection, LaunchContext,
AgentLaunchSpec, ContentPart with Uint8Array data) and the canonical
multi-source + prompt-only fixtures that the composer and
buildLaunchSpec tests will share.

No runtime code yet — types and fixtures only.

* feat(desktop/context): add composer with dedup, ordering, failure tolerance

Step 2 of the v2 launch-context composition plan.

buildLaunchContext parallel-resolves sources via a contributor registry,
dedups URL/id-kinds (attachments never dedup), preserves input order
within a kind, applies the default kind group order at the end,
tolerates per-source failures (populated on failures[]), and enforces a
10s per-contributor timeout.

taskSlug derivation: first internal-task section wins, falling back to
first github-issue. 12 tests pass.

* feat(desktop/context): add six contributors and default registry

Step 3 of the v2 launch-context composition plan. One contributor per
LaunchSource kind, each with Continue.dev-style metadata (displayName,
description, requiresQuery), its own co-located test file, and a
consistent 404 -> null (non-fatal) pattern for fetch-based kinds:

- userPrompt        -- trims, returns null on empty
- attachment        -- file or image ContentPart by mediaType
- agentInstructions -- system-scoped, cacheControl: ephemeral
- githubIssue       -- title + body markdown, meta.taskSlug from slug
- githubPr          -- title + branch + body markdown
- internalTask      -- title + description, meta.taskSlug

Also adds composer.integration.test.ts covering the real registry
end-to-end against the multi-source fixture. 41 tests green.

* feat(shared): generic renderPromptTemplate + context prompt variables

Step 4 of the v2 launch-context composition plan.

- Extract renderPromptTemplate(template, Record<string, string>) as the
  generic primitive; existing renderTaskPromptTemplate is now a shim
  (same API, same behavior — callers unchanged).
- Add AGENT_CONTEXT_PROMPT_VARIABLES (userPrompt, tasks, issues, prs,
  attachments, agentInstructions) + getSupportedContextPromptVariables +
  validateContextPromptTemplate.
- Ship default context templates for markdown (codex/cursor/custom) and
  Claude (XML-wrapped user-request) — both for system + user scopes.
- Collapse runs of 3+ newlines to 2 so empty variables produce clean
  output. Empty-string values substitute in (not treated as missing).

16 tests green; no consumer breakage.

* feat(agents): add contextPromptTemplate {system, user} to agent configs

Step 5 of the v2 launch-context composition plan.

Extends the agent config surface so V2 launches can render structured
context into per-agent system/user templates:

- packages/shared/agent-definition: required contextPromptTemplateSystem
  and contextPromptTemplateUser fields on BaseAgentDefinition;
  createTerminalAgentDefinition fills defaults with the markdown
  templates from step 4.
- packages/shared/builtin-terminal-agents: Claude terminal ships the
  Claude-XML defaults; other builtins inherit markdown defaults.
- packages/shared/agent-catalog: BUILTIN_CHAT_AGENT (Claude-based
  superset-chat) ships the Claude-XML defaults.
- packages/local-db/schema/zod: add both fields to AGENT_PRESET_FIELDS,
  agentPresetOverrideSchema, agentCustomDefinitionSchema (optional).
- apps/desktop/shared/utils/agent-settings: thread through
  TERMINAL_OVERRIDE_FIELDS, CHAT_OVERRIDE_FIELDS, AgentPresetPatch,
  CustomAgentDefinitionPatch, resolveAgentConfig (both branches),
  applyCustomAgentDefinitionPatch, createOverrideEnvelopeWithPatch.
- apps/desktop/test-setup: update the mocked @superset/local-db schema
  (the Bun test workaround for drizzle-orm/sqlite-core) so tests see
  the same shape as runtime.

New tests: contextPromptTemplate resolution for claude terminal,
codex markdown defaults, superset-chat claude defaults, terminal and
chat override replacement, custom terminal fallback to markdown. 113
tests green across context + agent-settings suites.

* chore: biome format pass

* feat(desktop/context): user-prompt source takes ContentPart[] (multimodal)

Future-proofs the user-prompt LaunchSource for an eventual rich-editor
input (interleaved text, inline images, inline files). The rest of the
pipeline was already ContentPart[]-native; this removes the last narrow
string-only call site.

- LaunchSource["user-prompt"]: { text: string } -> { content: ContentPart[] }
- userPromptContributor: normalizes (drops empty text parts, trims bookend
  whitespace), returns null when nothing remains, passes file/image parts
  through untouched.
- Adds userPromptFromText(text) helper for plain-string callers so
  modal/cli/task flows don't repeat the [{ type: "text", text }] boilerplate.
- Three new tests: multimodal text+image+text preservation, whitespace-only
  content returns null, empty text parts dropped between non-empty ones.

* refactor(desktop/context): drop agent-instructions source — harnesses handle it

Agent harnesses (Claude CLI, Codex, Cursor Agent) discover their own
conventions files natively from the worktree — no injection needed from
our side. V1 confirms: zero references to AGENTS.md/CLAUDE.md as
injected context. Only the agent itself reads them.

Removing this also gets us closer to the "no Electron IPC in V2" rule —
the composer no longer needs to read files from disk.

- Drop {kind: "agent-instructions"} from LaunchSource union.
- Delete agentInstructionsContributor + its test.
- Remove readAgentInstructions from ResolveCtx; update the three
  contributor test stubs that referenced it.
- Drop "agent-instructions" from the composer KIND_ORDER and
  sourceIdentity switch.
- Drop the AGENTS.md sample from the multi-source fixture + the
  composer integration test.
- Remove "agentInstructions" from AGENT_CONTEXT_PROMPT_VARIABLES.
- System default templates are now empty strings (chat agents get no
  system context yet; future host-service-backed path can fill later).

54 tests green across context + agent-settings; 16 green in shared.

* feat(desktop/context): add buildLaunchSpec (LaunchContext -> AgentLaunchSpec)

Step 6 of the v2 launch-context composition plan.

buildLaunchSpec(ctx, agentConfig):
- Returns null for "none" agent or missing config (V1-parity semantics).
- Pre-renders per-kind markdown sub-blocks ({{tasks}}/{{issues}}/{{prs}}/
  {{attachments}}) and a flattened {{userPrompt}} text variable from the
  LaunchContext sections.
- Fills the agent's contextPromptTemplate{System,User} (from step 5)
  into ContentPart[] arrays.
- Collects non-text parts (attachment-kind files/images + inline
  non-text parts from user-prompt) into the structured attachments[]
  field — chat agents see them as proper content parts, terminal
  adapters will flatten to disk refs in step 7.

Also fixes the multi-source fixture to match what contributors actually
emit (`# Title\n\nBody` markdown bodies) so the new snapshot tests
exercise a realistic LaunchContext shape.

15 tests green (2 inline snapshots for Claude-XML + codex-markdown
rendering of the canonical multi-source fixture). 69 tests green total
across context + agent-settings.

* Lint

* refactor(agents): drop Claude XML default template — markdown is enough

V1 never wrapped prompts in XML; V1 has shipped with bare markdown/text
forever. Shipping an XML-only Claude default was speculative and added a
per-agent divergence without evidence.

- Remove DEFAULT_CLAUDE_CONTEXT_PROMPT_TEMPLATE_SYSTEM / _USER.
- Claude terminal + superset-chat ship the default markdown templates
  (same as codex/cursor/custom).
- Users can still override per-agent in settings if XML wrapping helps
  their use case — defaults stay neutral.

Also ships scripts/demo-launch-spec.ts for local template iteration:
run `bun run scripts/demo-launch-spec.ts [agent...]` to eyeball what
buildLaunchSpec produces for canonical inputs.

66 tests green across context + agent-settings; 14 green in shared.

* feat(desktop/context): preserve inline order for rich-editor user prompts

buildLaunchSpec used to flatten the user-prompt section's ContentPart[]
to a single text blob. That lost inline ordering when a rich editor
produces text + image + text — the image landed in spec.attachments
disconnected from its position.

Now:
- Split the agent's user template on {{userPrompt}}; render each half's
  other placeholders raw (no trim / no newline collapse) so whitespace
  around the placeholder is preserved.
- Splice the user-prompt section's ContentPart[] in at the split
  position, keeping [text, image, text] ordering intact.
- Merge adjacent text parts, then collapse 3+ newlines to 2 and trim
  document boundaries in a final pass.
- spec.attachments now carries only *explicit* attachment-kind sections;
  inline non-text parts from user-prompt stay inline in spec.user.
- Inline parts still appear in the {{attachments}} list so CLI agents
  reading just the flattened text get a file-path reference.

Chat agents: hand spec.user straight to the Anthropic/AI SDK user
message content[] — model sees the image between the text chunks.
Terminal adapters (step 7) will flatten file/image parts to
`![filename](.superset/attachments/...)` markdown refs at their inline
position, then write files to disk.

Demo script gets two new scenarios exercising the rich-editor flow:
text+image+text alone, and the same with a linked issue. 67 tests
green across context + agent-settings.

* feat(desktop/context): add buildAgentLaunchRequest — V2 spec to V1 launch bridge

Step 7 (scoped): hand V2's AgentLaunchSpec off to V1's battle-tested
terminal-adapter / chat-adapter without building new execution
infrastructure. Bytes-over-IPC / SuperJSON transformer work is deferred
to a follow-up.

buildAgentLaunchRequest(spec, agentConfig, { workspaceId, source }):
- Returns null for agentId "none" or disabled agents (V1 parity).
- Assigns collision-safe filenames across all binary parts (inline in
  spec.user + explicit spec.attachments). Uses the same sanitize +
  dedup algorithm V1 already uses so nothing drifts.
- Flattens spec.user to markdown text with file/image parts rendered
  as `![filename](.superset/attachments/filename)` at their inline
  positions — rich-editor ordering survives into the CLI prompt.
- Converts Uint8Array binary data to base64 data URLs at this boundary
  (V1 wire format). Internal plumbing stays on Uint8Array.
- Chat: initialPrompt = flattened text, taskSlug/model flow through.
- Terminal: command = buildPromptCommandFromAgentConfig(flattened text),
  or the non-prompt command when the prompt is empty.

10 new tests cover: "none" short-circuit, terminal command rendering,
chat initialPrompt/taskSlug, inline image path-ref correctness, explicit
attachment filename preservation, filename dedup across user + attachments,
base64 data-URL format, workspaceId/source passthrough.

77 tests green across context + agent-settings.

* feat(desktop): add useEnqueueAgentLaunch hook

Step 8 of the v2 launch-context composition plan.

Thin wrapper around V1's useWorkspaceInitStore.addPendingTerminalSetup
for the V2 submit flow. Called after host-service.workspaceCreation
resolves the real workspaceId. V1's terminal-adapter / chat-adapter
pick up the pending setup when the workspace mounts and execute the
launch — no new adapter code needed.

- buildPendingSetup(args) — pure function, rewrites launchRequest
  workspaceId to the real id and assembles the PendingTerminalSetup.
- useEnqueueAgentLaunch() — React hook wrapper that calls into the
  zustand action.
- Null launchRequest is a no-op (nothing to enqueue, e.g. agent "none").

Tests cover: null short-circuit, workspaceId rewrite, projectId
passthrough, initialCommands shape, non-workspaceId field preservation.
5 tests green; typecheck clean.

* feat(desktop/v2): wire v2 workspace launch into pending page

Step 9 of the v2 launch-context composition plan. Closes Gaps 4, 5 in
V2_WORKSPACE_MODAL_GAPS.md for the "fork" intent (plain prompt + local
host). Gaps 3 (AI branch name) and 6 (create-from-PR) remain as
follow-ups.

What runs now:
- Modal submit → pending row → pending page fires createWorkspace.
- On success, buildForkAgentLaunch runs the V2 pipeline:
    sources <- pending row (user-prompt, linked issues/PRs/tasks, attachments)
    buildLaunchContext → buildLaunchSpec → buildAgentLaunchRequest
- useEnqueueAgentLaunch stashes the V1-shaped AgentLaunchRequest in
  useWorkspaceInitStore. V1's terminal-adapter / chat-adapter pick it
  up when the workspace mounts and execute the launch — no new adapter
  code needed.

New file buildForkAgentLaunch.ts is a pure helper: builds sources from
a PendingWorkspaceRow, stubs ResolveCtx from the same row's metadata,
runs the pipeline, returns an AgentLaunchRequest or null.

Phase 1 gap: issue / PR / task bodies are not fetched over HTTP yet —
host-service lacks a body endpoint. The resolver returns empty bodies,
so agents see title + URL + task-slug metadata only. Full-body
injection is a follow-up once host-service grows getIssueContent /
getPullRequestContent / getInternalTaskContent.

13 new tests cover: empty sources → null, no-agent → null, prompt-only
terminal launch via default agent, taskSlug derivation, attachment
passthrough, source-kind ordering. 88 tests green across pending +
context + agent-settings suites.

* Lint

* docs(desktop): add v2 launch context reference doc

Post-phase-1 reference: what shipped, manual + automated test plan,
known gaps, prioritized follow-ups, and a file-layout map. Lives in
apps/desktop/docs/ per AGENTS.md rule 7 (architecture docs). The
original plan stays in plans/ since phases 2-6 are still unshipped.

* chore(debug): add [v2-launch] console logs across the launch pipeline

Temporary logs for manual testing:
- pending page: what buildForkAgentLaunch returned + enqueue inputs.
- useEnqueueAgentLaunch: stash / null-short-circuit.
- WorkspaceInitEffects: every handleTerminalSetup + dispatch branch,
  launchAgentViaOrchestrator invocation.

Grep devtools console on "[v2-launch]" to trace a full submit.
Remove or soften once the dispatch path is dialed in.

* docs(desktop): document pending-row-as-bus launch dispatch

V2 must own its own launch dispatch. V1's WorkspaceInitEffects →
orchestrator → terminal-adapter path writes panes into V1's useTabsStore,
which V2 doesn't render from, so launches dispatched through V1 land
invisibly for V2 workspaces.

Documents the replacement: pending-row-as-bus. Pending page produces
terminalLaunch / chatLaunch fields on the collection-backed pending row;
V2 workspace page mount-effect consumes them, opens a pane in the
@superset/panes store, and wires PTY via workspaceTrpc.

This mirrors the pattern V2 preset execution already uses
(useV2PresetExecution): live-query a record, open a pane, call
workspaceTrpc.terminal.ensureSession. Zero V1 primitives, zero new
host-service work, and leaves a clean migration path to host-owned
terminal launch when phase 5 ships.

Adds a blocking follow-up (#0) for the dispatch rewrite; marks
useEnqueueAgentLaunch + buildAgentLaunchRequest for removal.

* feat(desktop/v2): rewrite launch dispatch as pending-row-as-bus

The original step-8/9 wire-up stashed an AgentLaunchRequest in V1's
useWorkspaceInitStore, expecting V1's WorkspaceInitEffects to dispatch.
V1's orchestrator writes panes into useTabsStore — which V2 never
renders from — so launches landed invisibly for V2 workspaces.

This rewrite keeps V2 self-contained. After host-service.create
resolves, the pending page runs the composer pipeline and stashes a
terminalLaunch or chatLaunch on the pending row. The V2 workspace
page's new useConsumePendingLaunch mount-effect live-queries that row,
opens a pane in @superset/panes, and drives PTY via workspaceTrpc.
Same pattern as useV2PresetExecution.

Changes:
- Schema: pendingWorkspaceSchema gains optional terminalLaunch and
  chatLaunch fields, cleared to null once consumed.
- buildForkAgentLaunch returns a PendingLaunchBuild union (terminal
  with attachmentsToWrite / chat with inline initialFiles) instead of
  the V1 AgentLaunchRequest shape.
- dispatchForkLaunch: new pending-page helper that runs the composer,
  writes attachments to .superset/attachments/ via workspaceTrpc
  .filesystem.writeFile for the terminal path, and applies the launch
  field to the pending row.
- useConsumePendingLaunch: new V2-workspace-page mount effect. Reads
  row by workspaceId, opens pane in V2 store, calls workspaceTrpc
  .terminal.ensureSession with initialCommand for terminal launches,
  clears the field.
- ChatPaneData gains a transient launchConfig slot. ChatPane and
  WorkspaceChatInterface thread initialLaunchConfig +
  onConsumeLaunchConfig through. After the V2 chat runtime auto-sends
  the initial message, it clears the pane's launchConfig.
- Rip out useEnqueueAgentLaunch hook, buildAgentLaunchRequest, and
  the debug logs in WorkspaceInitEffects.

23 tests green for buildForkAgentLaunch / buildLaunchSourcesFromPending;
type-check clean in the touched surface area.

See apps/desktop/docs/V2_LAUNCH_CONTEXT.md "Dispatch architecture".

* docs(desktop): add V2_LAUNCH_TEST_PLAN.md

Structured manual test checklist for the V2 launch dispatch pipeline:
terminal + chat happy paths, pending-row lifecycle, failure paths,
source-mapping edge cases, custom agents, cross-pane behavior, V1
regression.

Paired with copy-pasteable fixtures on ~/Desktop/v2-launch-test-artifacts/
(trace.log, notes.md, sample.png, prompts.txt, README) for drag-and-
drop testing.

* chore(debug): add url probe + submit logs for v2 attachment flow

Logs the blob/data URLs we get from the PromptInput provider at
submit time, then does a fetch() probe on each URL before
storeAttachments runs. Lets us see whether the URL is already dead
when useSubmitWorkspace fires — which would confirm a pre-submit
revocation (as opposed to a race inside storeAttachments itself).

Not a fix. Remove once the root cause is nailed down.

* fix(desktop/v2): pass converted files through PromptInput onSubmit

Root cause of the "Failed to fetch" attachment toast: the
PromptInput library calls clearComposer() before invoking onSubmit,
which revokes all blob: URLs stored in the provider. Our
useSubmitWorkspace was reading attachments back from the provider
via takeFiles() after that — so it got file entries whose URLs had
just been invalidated.

The library already does the blob→data-URL conversion itself and
passes the converted files into onSubmit's message arg. Use them
directly:

- useSubmitWorkspace now takes `files: SubmitAttachment[]` as an
  explicit argument. Drops the `useProviderAttachments()` dependency.
- handlePromptSubmit receives `{text, files}` from PromptInput and
  forwards the files.
- The existing Cmd+Enter keyboard fallback calls handleCreate()
  without files (unchanged behavior for the no-attachments path; the
  PromptInput's own Enter handler takes the file-carrying path).

* refactor(desktop): use dexie for the pending-attachment store

The prior hand-rolled IDB wrapper had two transaction-lifecycle bugs:

1. storeAttachments opened a readwrite transaction, then awaited
   fetch() on each file before calling store.put() — IDB auto-commits
   when the event loop yields with no pending requests, so the first
   put() fired against a finished transaction ("The transaction has
   finished.").
2. The same file (150+ lines of raw IDB callback plumbing) is exactly
   the shape of code where this class of bug keeps reappearing as
   the flow evolves.

Swap to Dexie 4 — the de-facto IndexedDB wrapper for apps (~11.9k⭐,
actively maintained, typed, handles transaction lifecycle correctly).

- storeAttachments: resolve blobs async outside any tx, then
  bulkPut() in one shot.
- loadAttachments / clearAttachments: where("key").startsWith(prefix).
- File collapses from ~150 to ~90 lines, no raw transactions, no
  cursor dance.

Behavior is identical from the caller's side. Schema version 1;
Dexie will open the existing database transparently (same DB name).

* chore(debug): add verbose [v2-launch] logs to dispatch + consume paths

Traces:
- dispatchForkLaunch start / built / chatLaunch-applied /
  terminalLaunch-applied
- useConsumePendingLaunch tick (live-query fires) + whether
  terminalKey / chatKey are already consumed
- consumeTerminalLaunch ensureSession + addTab + clear
- consumeChatLaunch addTab + clear

Grep devtools on "[v2-launch]" through the full submit -> open-workspace
flow. Lets us pin where dispatch stalls when no pane appears.

Temporary — remove once the end-to-end flow is nailed down.

* fix(desktop/v2): replace Buffer with browser-native base64 in renderer

Electron renderer doesn't expose Node's `Buffer` global (nodeIntegration
off). The fork-launch dispatch path and buildForkAgentLaunch were both
using `Buffer.from(...).toString("base64")` / `Buffer.from(base64, "base64")`
for binary <-> base64 conversion, which ReferenceError'd at runtime.

Swap to standards-based `btoa` / `atob` + a small byte <-> binary-string
helper. Works in renderer and Bun alike.

Applies to:
- dataUrlAttachmentToBytes (buildForkAgentLaunch.ts) — decode
  attachment data URL into Uint8Array.
- toBase64DataUrl (buildForkAgentLaunch.ts) — encode chat-bound files
  for ChatLaunchConfig.initialFiles.
- writeAttachmentsToWorktree (dispatchForkLaunch.ts) — encode bytes
  for host-service filesystem.writeFile's base64 content variant.

* docs(desktop): capture v2-launch footgun backlog

Seven items we caught during manual testing and intentionally deferred:

1. Deep solve for binary transport (blob URL / base64 fragility)
2. Reload-mid-launch spawns duplicate PTY (key terminalId off pending row)
3. Silent failure in consume hook — add toast
4. joinPath assumes POSIX — breaks for Windows hosts (phase 5)
5. Dexie schema coupling with pre-existing IDB store
6. PendingTerminalLaunch.attachmentNames unused by consumer
7. Remove [v2-launch] debug logs once flow is stable

Tracked in V2_LAUNCH_CONTEXT.md "Known footguns to revisit". None
are blocking phase-1 behavior; all have notes on the proper fix.

* feat(desktop/v2): toast on silent launch-dispatch failures

Seven silent swallow points across the launch path now surface a
toast so the user knows why the agent didn't auto-launch instead of
seeing "nothing happened":

- dispatchForkLaunch: buildForkAgentLaunch throw -> "Couldn't prepare
  agent launch" (description = error message).
- dispatchForkLaunch: buildForkAgentLaunch returned null AND user
  gave meaningful input -> warning "Workspace created but no agent
  launched" with hint to enable one in settings. Silent for the
  "fresh empty workspace, no agent configured" case (expected).
- dispatchForkLaunch: host-service URL not resolved -> "Couldn't
  reach host service".
- dispatchForkLaunch: writeAttachmentsToWorktree throw -> warning
  "Attachments didn't save to the workspace; agent will launch
  without files".
- writeAttachmentsToWorktree: missing worktreePath -> throw instead
  of silent return so the outer catch's toast fires.
- consumeTerminalLaunch: defensive bail -> "Couldn't open agent
  pane" (shouldn't happen, but defensive).
- consumeTerminalLaunch: ensureSession throw -> "Couldn't start
  agent terminal" with error message.
- pending page: loadAttachments throw in fork intent -> warning
  "Couldn't load saved attachments" (non-fatal, workspace still
  creates).

All keep their [v2-launch] console.warn/log so trace survives alongside
the toast.

* lint

* fix(desktop): address PR review — real issues only

Addresses the non-stale, non-debatable feedback from review bots:

- Prototype-chain substitution in prompt templates (agent-prompt-
  template.ts + buildLaunchSpec.ts): {{toString}} and similar now
  stay intact. Use Object.hasOwn() instead of `variables[key] ??`.
- renderTaskPromptTemplate no longer picks up generic 3+-newline
  collapsing — task-flow output matches V1 exactly: own-property
  substitution + trim only.
- buildLaunchSpec.renderUserTemplate tolerates whitespace in the
  placeholder: {{ userPrompt }} / {{userPrompt}} / {{  userPrompt  }}
  all match.
- Pending page's fork dispatch fetches agent configs imperatively
  via trpcUtils.settings.getAgentPresets.fetch() instead of reading
  from a useQuery hook — eliminates the race where a not-yet-
  resolved query silently skipped the dispatch and lost the launch
  for a successful workspace create.
- Drop ContextSection.scope field. It was never read (buildLaunchSpec
  ignored it); no contributor populated anything but "user" after we
  removed agent-instructions. Cleaner type + future re-introduction
  when a real system-scope consumer lands (phase 6 host-side
  instructions injection).

Tests: 54 context-suite passing, 14 shared-suite passing; desktop
typecheck clean in touched areas.

* docs(desktop): capture body-fetching gaps observed in manual test

Claude currently sees title-only for linked issues / PRs / tasks —
no bodies. Documents the gap, what V1 did (Electron IPC to
projects.getIssueContent), why we can't reuse it for V2 (no Electron
in V2 rule), and proposes the host-service procedures + stub swap.

Also covers:
- Empty `Branch:` in PR block — pending-row schema doesn't carry
  branch; fix via getPullRequestContent body fetch.
- Sanitization helpers to extract from V1 into a shared util.
- Attach-as-file vs inline-in-prompt decision (V1 attached,
  current V2 inlines — keeping inline for phase 1).

Ordered work plan at the bottom: getIssueContent first, then PR,
then internal-task (requires scoping). Acceptance criteria shows
the expected prompt shape after the fixes land.

* Update PR notes

* lint

* feat(desktop/v2): attachment framing + PR checkout hint + gap doc rewrite

Prompt refinements from manual testing:

- buildLaunchSpec {{attachments}} block now includes a short framing
  header: "Attached files — read them to understand the request."
  Cues the agent to actually use the files rather than treating them
  as passive metadata. Only appears when there are files.

- githubPr contributor says "Branch `X` is checked out in this
  workspace — commits you make continue this PR." Confirms to the
  agent that the worktree is on the PR's branch, so it shouldn't
  create a new branch or open a new PR.

- V2_LAUNCH_CONTEXT_GAPS.md rewritten with locked design decisions:
  bodies inline in prompt (no file writes for linked context), no
  truncation, no sanitization, PR checkout is true. Work plan:
  host-service getIssueContent → getPullRequestContent → task body
  API → swap stubs. Target prompt shape included.

54 tests green; 2 snapshots updated for new PR format.

* feat(desktop/context): explicit kind labels in contributor headers

Agents shouldn't guess whether a section is a task, issue, or PR from
context clues. Each contributor now prefixes its heading with the kind:

- `# GitHub Issue #123 — Auth middleware stores tokens in plaintext`
- `# Task TASK-42 — Refactor auth middleware`
- `# PR #200 — Rewrite auth middleware`

PR phrasing also clarified: "This PR is checked out in this workspace
on branch `fix/auth-encryption`. Commits you make here will be added
to this PR."

54 tests green; 2 snapshots updated.

* feat(desktop/v2): fetch issue + PR bodies via host-service, task via cloud API

The launch prompt now includes full bodies for linked GitHub issues,
PRs, and internal tasks instead of title-only stubs.

Host-service (packages/host-service):
- getGitHubPullRequestContent: new procedure wrapping octokit.pulls.get.
  Returns body, branch, baseBranch, author, isDraft, timestamps.
  (getGitHubIssueContent already existed.)

Client (apps/desktop pending page):
- buildForkAgentLaunch accepts an optional hostServiceClient. When
  provided, the issue + PR resolvers call getGitHubIssueContent /
  getGitHubPullRequestContent for full bodies. Falls back to
  pending-row title-only if the call fails (non-fatal).
- Task resolver calls apiTrpcClient.task.byId (Superset cloud API,
  same source as the task view) for description. Falls back to
  title-only on failure.
- dispatchForkLaunch threads the host-service client through.

Contributors (already landed earlier this session):
- GitHub issue header: `# GitHub Issue #N — Title`
- PR header: `# PR #N — Title` + "This PR is checked out in this
  workspace on branch `X`. Commits you make here will be added to
  this PR."
- Task header: `# Task ID — Title`
- Attachments block: framing header cueing the agent to read the
  files.

77 tests green. Typecheck clean.

* chore(desktop): fix biome warning + stale doc comment in fork launch

- internalTask.test.ts: replace `TASK.description!` non-null
  assertion with `if (TASK.description)` guard (biome
  lint/style/noNonNullAssertion).
- buildForkAgentLaunch.ts: update stale docstring that claimed
  bodies aren't fetched yet — they are, via host-service and the
  cloud task API.

77 tests green, biome clean, typecheck clean.

* fix(host-service): shell out to gh CLI for issue/PR content (V1 parity)

host-service's octokit path needs a GitHub token from
providers.credentials.getToken("github.com") — which most users don't
have set up (requires GITHUB_TOKEN env or git credential helper config
for github.com). Result: getGitHubIssueContent / getGitHubPullRequestContent
silently 500'd, buildForkAgentLaunch fell back to title-only, and the
agent received empty bodies for linked issues/PRs.

V1's projects.getIssueContent shells out to `gh issue view` via the
user's `gh auth login` — that works out of the box.

Port the same approach:

- New packages/host-service/src/trpc/router/workspace-creation/utils/exec-gh.ts
  — promisified execFile("gh", ...) with user shell env so PATH
  resolves on macOS GUI contexts.
- getGitHubIssueContent now calls `gh issue view <n> --repo owner/name
  --json number,title,body,url,state,author,createdAt,updatedAt`.
- getGitHubPullRequestContent calls `gh pr view <n> --repo owner/name
  --json number,title,body,url,state,author,headRefName,baseRefName,isDraft,...`.
- Zod-validate the JSON output before returning.
- Normalize state to lowercase (gh returns "OPEN"/"CLOSED" uppercase).

Drops the Octokit dependency on these two procedures. Other host-service
paths that still use ctx.github() unchanged.

* fix typecheck

* clean up
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