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Add a new Agent Marketplace feature that allows: - Admins to publish public agents (user_id=0) to the marketplace - All users to browse, search, and filter marketplace agents by category - Users to install agents in reference mode (direct use) or copy mode (private copy) - Installed marketplace agents appear in user's agent list Backend changes: - Add team_marketplace and installed_teams database tables - Implement marketplace service with install/uninstall logic - Add marketplace API endpoints for browsing and installation - Update team_kinds service to include installed marketplace agents Frontend changes: - Add /marketplace page with search and category filtering - Add MarketplaceTeamCard and InstallModeDialog components - Add marketplace navigation entry in sidebar - Update TeamList to show marketplace agent tags - Add i18n translations for marketplace feature
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Jun 10, 2026
* feat(chat): add context status metrics and toolbar indicator * feat(chat): finalize Phase 1 chat status toolbar and reconnect recovery - Replace QuotaUsage with ChatToolbarStatus driven by chat:status_updated - Wire useChatStatusIndicator to derive a fallback snapshot from the latest persisted AI message so toolbar status survives cold reloads before any live socket event arrives - Type UnifiedMessage.result.context_metrics so persisted snapshots flow through the state machine without runtime casts Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(chat_shell): add TruncationPolicy and GuardSource Protocol (T1) Introduce the shared types module for Phase 2 context governance: - TruncationPolicy: frozen dataclass with kind (bytes/tokens) and limit - GuardSource: runtime_checkable Protocol for guard source adapters - DEFAULT_EMERGENCY_RATIO = 0.3 and default_emergency_policy helper Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(chat_shell): add ToolOutputGuardAdapter and compact tool string format (T2) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(chat_shell): tighten compact footer detection and dedupe encoding (T2 review) * feat(chat_shell): add UnifiedContextGuard with source + compression pipeline (T3) Phase 2 unified context guard. Runs as LangGraph pre_model_hook before every model call (pre-turn and mid-turn alike) and applies: 1. Source-level pass: convert raw tool messages to compact form via the registered GuardSource adapters; mark `compacted=true` so subsequent passes treat them as already-handled. 2. Request-level compression: when live state exceeds the model trigger limit, run MessageCompressor and translate its diff into LangGraph state updates (RemoveMessage for dropped ids, fresh BaseMessage for synthesized summaries; compacted=true marker propagates). 3. Emergency re-truncation: stub for T7; logs a warning when compression alone is insufficient. Skips messages without a stable id since add_messages cannot upsert them without doubling content. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(chat_shell): wire UnifiedContextGuard as pre_model_hook (T4) Phase 2 wiring task: - chat_service constructs UnifiedContextGuard with ToolOutputGuardAdapter as the only source. The guard is chained AFTER guidance_consumer's hook via chain_pre_model_hooks so guidance injection observes already-budgeted state and writes its llm_input_messages on top of the compacted view. - agent.build_messages no longer invokes MessageCompressor — budget enforcement now lives entirely in the pre_model_hook, which fires on pre-turn AND every mid-turn follow-up. Cache-breakpoint application remains in build_messages on the assembled layout. - Drops the now-unused MessageCompressor import from agent.py. - Adds guard/composition.py with chain_pre_model_hooks, supporting mixed sync/async hooks; messages updates concatenate, llm_input_messages from the last hook wins. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(chat_shell): finalize Phase 2 context governance (T7+T8+T9 + review) Completes Phase 2 by adding emergency re-truncation, removing legacy serialization-time truncation, refactoring the metrics tracker to emit-only, and addressing the review findings on the resulting code. T7 — Emergency re-truncation - UnifiedContextGuard stage 3 now re-renders source-owned messages under each source's emergency policy, biggest-first with early stop once usage drops below trigger. - ToolOutputGuardAdapter accepts an emergency_ratio (defaults to DEFAULT_EMERGENCY_RATIO); chat_service passes settings.EMERGENCY_TOOL_OUTPUT_RATIO. - Synthesized messages from stage 2 are excluded from the candidate set so the upsert-by-id contract holds. T8 — Delete legacy _truncate_tool_result_for_storage - graph_builder._serialize_messages_chain no longer chops tool results at serialization time; budget enforcement is owned by the guard. - Removed MAX_TOOL_RESULT_LENGTH from config and its tests. T9 — Tracker → emit-only wrapper - ContextMetricsTracker no longer keeps its own messages duplicate. Single API: capture(messages, phase). Snapshot computation is delegated to an injected metrics_fn so accounting flows from one source. - chat_service captures BUILD_MESSAGES at turn start and FINAL at end with messages + agent_builder._last_messages_chain. - tools/events drops the per-tool tracker calls. Review fixes - #1: extract_raw now parses already-compact strings via the new _split_compact helper, so stage 3 emergency re-render no longer produces nested headers / fabricated total_tokens counts. - #2: UnifiedContextGuard.__call__ is async and emits a metrics snapshot via the injected tracker on every invocation. Phase is PHASE_AFTER_COMPACTION when compaction happened, PHASE_AFTER_TOOL_END otherwise; bucket-throttling in should_emit_status_update suppresses redundant emits. Tests converted to async. - #3: ToolResultTruncationStrategy now skips messages flagged additional_kwargs.compacted=True. Without this, stage 2 compression would corrupt the guard's fixed-format compact strings, leaving a misleading total_tokens count and mixing two truncation notices. - #5: Documented the source-disjointness assumption in _apply_source_pass — registered GuardSources must have non-overlapping applies_to predicates. - #6: calculate_context_metrics accepts pre-built TokenCounter and ModelContextConfig; guard.metrics() reuses its instance state instead of constructing fresh ones on every snapshot. - #8: Kept default_emergency_policy as a documented public reference helper for future GuardSource impls. - #9: _dict_to_base_message forwards d.get('id') so the compressor's synthesized ids survive the round-trip. - #10: New test verifies cache_control markers in additional_kwargs survive guard compaction (Anthropic prompt-cache compatibility). Tests - 14 new tests across guard composition, tracker emit, compact-string roundtrip, id propagation, cache-breakpoint preservation, and compressor skip behavior. Total chat_shell suite: 549 passing. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(chat-shell): finalize phase2 context guard * fix(chat-shell): tune tool guard controls and diagnostics * feat(knowledge): add listing pagination and guard fixes * fix(frontend): improve chat toolbar status sections --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
team_marketplaceandinstalled_teamsfor storing marketplace metadata and user installations/marketplacewith search and category filteringChanges
Backend
backend/alembic/versions/q7r8s9t0u1v2_add_marketplace_tables.py: Database migration for marketplace tablesbackend/app/models/marketplace.py: SQLAlchemy models for TeamMarketplace and InstalledTeambackend/app/schemas/marketplace.py: Pydantic schemas for marketplace APIbackend/app/services/marketplace_service.py: Business logic for marketplace operationsbackend/app/api/endpoints/marketplace.py: REST API endpointsbackend/app/services/adapters/team_kinds.py: Updated to include installed marketplace teamsFrontend
frontend/src/app/(tasks)/marketplace/page.tsx: Marketplace pagefrontend/src/features/marketplace/components/: MarketplaceGrid, MarketplaceTeamCard, InstallModeDialogfrontend/src/apis/marketplace.ts: API client functionsfrontend/src/types/marketplace.ts: TypeScript type definitionsfrontend/src/features/settings/components/TeamList.tsx: Show marketplace tag for installed agentsfrontend/src/features/tasks/components/sidebar/TaskSidebar.tsx: Add marketplace navigationKey Features
Test plan