e3186ede5d568a684d0f2828792a69ac9697eb72
28 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Alex Newman
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857ceb47b7 |
Merge main into feature/gemini-provider
Resolved conflicts to include both: - Main's earliestPendingTimestamp for accurate observation timestamps - PR's conversationHistory and currentProvider for Gemini provider switching 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> |
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Alex Newman
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266c746d50 |
feat: Fix observation timestamps, refactor session management, and enhance worker reliability (#437)
* Refactor worker version checks and increase timeout settings - Updated the default hook timeout from 5000ms to 120000ms for improved stability. - Modified the worker version check to log a warning instead of restarting the worker on version mismatch. - Removed legacy PM2 cleanup and worker start logic, simplifying the ensureWorkerRunning function. - Enhanced polling mechanism for worker readiness with increased retries and reduced interval. * feat: implement worker queue polling to ensure processing completion before proceeding * refactor: change worker command from start to restart in hooks configuration * refactor: remove session management complexity - Simplify createSDKSession to pure INSERT OR IGNORE - Remove auto-create logic from storeObservation/storeSummary - Delete 11 unused session management methods - Derive prompt_number from user_prompts count - Keep sdk_sessions table schema unchanged for compatibility * refactor: simplify session management by removing unused methods and auto-creation logic * Refactor session prompt number retrieval in SessionRoutes - Updated the method of obtaining the prompt number from the session. - Replaced `store.getPromptCounter(sessionDbId)` with `store.getPromptNumberFromUserPrompts(claudeSessionId)` for better clarity and accuracy. - Adjusted the logic for incrementing the prompt number to derive it from the user prompts count instead of directly incrementing a counter. * refactor: replace getPromptCounter with getPromptNumberFromUserPrompts in SessionManager Phase 7 of session management simplification. Updates SessionManager to derive prompt numbers from user_prompts table count instead of using the deprecated prompt_counter column. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> * refactor: simplify SessionCompletionHandler to use direct SQL query Phase 8: Remove call to findActiveSDKSession() and replace with direct database query in SessionCompletionHandler.completeByClaudeId(). This removes dependency on the deleted findActiveSDKSession() method and simplifies the code by using a straightforward SELECT query. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> * refactor: remove markSessionCompleted call from SDKAgent - Delete call to markSessionCompleted() in SDKAgent.ts - Session status is no longer tracked or updated - Part of phase 9: simplifying session management 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> * refactor: remove markSessionComplete method (Phase 10) - Deleted markSessionComplete() method from DatabaseManager - Removed markSessionComplete call from SessionCompletionHandler - Session completion status no longer tracked in database - Part of session management simplification effort 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> * refactor: replace deleted updateSDKSessionId calls in import script (Phase 11) - Replace updateSDKSessionId() calls with direct SQL UPDATE statements - Method was deleted in Phase 3 as part of session management simplification - Import script now uses direct database access consistently 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> * test: add validation for SQL updates in sdk_sessions table * refactor: enhance worker-cli to support manual and automated runs * Remove cleanup hook and associated session completion logic - Deleted the cleanup-hook implementation from the hooks directory. - Removed the session completion endpoint that was used by the cleanup hook. - Updated the SessionCompletionHandler to eliminate the completeByClaudeId method and its dependencies. - Adjusted the SessionRoutes to reflect the removal of the session completion route. * fix: update worker-cli command to use bun for consistency * feat: Implement timestamp fix for observations and enhance processing logic - Added `earliestPendingTimestamp` to `ActiveSession` to track the original timestamp of the earliest pending message. - Updated `SDKAgent` to capture and utilize the earliest pending timestamp during response processing. - Modified `SessionManager` to track the earliest timestamp when yielding messages. - Created scripts for fixing corrupted timestamps, validating fixes, and investigating timestamp issues. - Verified that all corrupted observations have been repaired and logic for future processing is sound. - Ensured orphan processing can be safely re-enabled after validation. * feat: Enhance SessionStore to support custom database paths and add timestamp fields for observations and summaries * Refactor pending queue processing and add management endpoints - Disabled automatic recovery of orphaned queues on startup; users must now use the new /api/pending-queue/process endpoint. - Updated processOrphanedQueues method to processPendingQueues with improved session handling and return detailed results. - Added new API endpoints for managing pending queues: GET /api/pending-queue and POST /api/pending-queue/process. - Introduced a new script (check-pending-queue.ts) for checking and processing pending observation queues interactively or automatically. - Enhanced logging and error handling for better monitoring of session processing. * updated agent sdk * feat: Add manual recovery guide and queue management endpoints to documentation --------- Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com> |
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bigphoot
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f837a9eb77 |
feat: multi-turn conversations and Claude fallback for Gemini provider
Major improvements to Gemini provider: **Shared Conversation History** - Add ConversationMessage interface for provider-agnostic history - Both Claude and Gemini agents read/write shared conversationHistory - Context persists across provider switches via claudeSessionId linkage **Multi-Turn Gemini API** - Replace stateless single-query with full conversation context - queryGeminiMultiTurn() sends entire history for coherent responses - Maps 'assistant' role to 'model' for Gemini API compatibility **Automatic Fallback to Claude** - Detect rate limits (429), server errors (5xx), network failures - Fall back to Claude SDK when Gemini API fails - Reset 'processing' messages to 'pending' before fallback **Mid-Session Provider Switching** - Track currentProvider on ActiveSession - Provider changes take effect after current generator finishes - Avoids race conditions from aborting active generators Files changed: - worker-types.ts: Add ConversationMessage, currentProvider tracking - GeminiAgent.ts: Multi-turn queries, fallback logic - SDKAgent.ts: Capture messages to shared history - SessionManager.ts: Initialize new session fields - SessionRoutes.ts: Provider selection and switching logic - worker-service.ts: Wire up fallback agent dependency 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> |
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|
Copilot
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0cbcbd970a |
Add error handlers to Chroma sync operations to prevent worker crashes on timeout (#428)
* Initial plan * Add .catch() handlers to Chroma sync operations to prevent worker crashes Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * Add .catch() handler to syncUserPrompt to prevent crashes Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * Update mem-search plugin with new features and improvements --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> Co-authored-by: Alex Newman <thedotmack@gmail.com> |
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Alex Newman
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fdd8411dea |
fix: resolve critical worker crashes on startup (v8.0.2 regression)
Fixes #417, #418, #421, #422, #425 1. Handle Chroma sync errors gracefully in DatabaseManager to prevent unhandled promise rejections. 2. Safely handle missing 'claude' executable in SDKAgent with try-catch block around auto-detection. |
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Alex Newman
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3ea0b60b9f |
feat: Mode system with inheritance and multilingual support (#412)
* feat: add domain management system with support for multiple domain profiles
- Introduced DomainManager class for loading and managing domain profiles.
- Added support for a default domain ('code') and fallback mechanisms.
- Implemented domain configuration validation and error handling.
- Created types for domain configuration, observation types, and concepts.
- Added new directory for domain profiles and ensured its existence.
- Updated SettingsDefaultsManager to include CLAUDE_MEM_DOMAIN setting.
* Refactor domain management to mode management
- Removed DomainManager class and replaced it with ModeManager for better clarity and functionality.
- Updated types from DomainConfig to ModeConfig and DomainPrompts to ModePrompts.
- Changed references from domains to modes in the settings and paths.
- Ensured backward compatibility by maintaining the fallback mechanism to the 'code' mode.
* feat: add migration 008 to support mode-agnostic observations and refactor service layer references in documentation
* feat: add new modes for code development and email investigation with detailed observation types and concepts
* Refactor observation parsing and prompt generation to incorporate mode-specific configurations
- Updated `parseObservations` function to use 'observation' as a universal fallback type instead of 'change', utilizing active mode's valid observation types.
- Modified `buildInitPrompt` and `buildContinuationPrompt` functions to accept a `ModeConfig` parameter, allowing for dynamic prompt content based on the active mode.
- Enhanced `ModePrompts` interface to include additional guidance for observers, such as recording focus and skip guidance.
- Adjusted the SDKAgent to load the active mode and pass it to prompt generation functions, ensuring prompts are tailored to the current mode's context.
* fix: correct mode prompt injection to preserve exact wording and type list visibility
- Add script to extract prompts from main branch prompts.ts into code.yaml
- Fix prompts.ts to show type list in XML template (e.g., "[ bugfix | feature | ... ]")
- Keep 'change' as fallback type in parser.ts (maintain backwards compatibility)
- Regenerate code.yaml with exact wording from original hardcoded prompts
- Build succeeds with no TypeScript errors
* fix: update ModeManager to load JSON mode files and improve validation
- Changed ModeManager to load mode configurations from JSON files instead of YAML.
- Removed the requirement for an "observation" type and updated validation to require at least one observation type.
- Updated fallback behavior in the parser to use the first type from the active mode's type list.
- Added comprehensive tests for mode loading, prompt injection, and parser integration, ensuring correct behavior across different modes.
- Introduced new mode JSON files for "Code Development" and "Email Investigation" with detailed observation types and prompts.
* Add mode configuration loading and update licensing information for Ragtime
- Implemented loading of mode configuration in WorkerService before database initialization.
- Added PolyForm Noncommercial License 1.0.0 to Ragtime directory.
- Created README.md for Ragtime with licensing details and usage guidelines.
* fix: add datasets directory to .gitignore to prevent accidental commits
* refactor: remove unused plugin package.json file
* chore: add package.json for claude-mem plugin with version 7.4.5
* refactor: remove outdated tests and improve error handling
- Deleted tests for ChromaSync error handling, smart install, strip memory tags, and user prompt tag stripping due to redundancy or outdated logic.
- Removed vitest configuration as it is no longer needed.
- Added a comprehensive implementation plan for fixing the modes system, addressing critical issues and improving functionality.
- Created a detailed test analysis report highlighting the quality and effectiveness of the current test suite, identifying areas for improvement.
- Introduced a new plugin package.json for runtime dependencies related to claude-mem hooks.
* refactor: remove parser regression tests to streamline codebase
* docs: update CLAUDE.md to clarify test management and changelog generation
* refactor: remove migration008 for mode-agnostic observations
* Refactor observation type handling to use ModeManager for icons and emojis
- Removed direct mappings of observation types to icons and work emojis in context-generator, FormattingService, SearchManager, and TimelineService.
- Integrated ModeManager to dynamically retrieve icons and emojis based on the active mode.
- Improved maintainability by centralizing the logic for observation type representation.
* Refactor observation metadata constants and update context generator
- Removed the explicit declaration of OBSERVATION_TYPES and OBSERVATION_CONCEPTS from observation-metadata.ts.
- Introduced fallback default strings for DEFAULT_OBSERVATION_TYPES_STRING and DEFAULT_OBSERVATION_CONCEPTS_STRING.
- Updated context-generator.ts to utilize observation types and concepts from ModeManager instead of constants.
* refactor: remove intermediate error handling from hooks (Phase 1)
Apply "fail fast" error handling strategy - errors propagate and crash loud
instead of being caught, wrapped, and re-thrown at intermediate layers.
Changes:
- Remove try/catch around fetch calls in all hooks - let errors throw
- Add try/catch ONLY around JSON.parse at entry points
- Delete error-handler.ts and hook-error-handler.ts (no longer needed)
- Update worker-utils.ts: functions now throw instead of returning null
- Update transcript-parser.ts: throw on missing path, empty file, malformed JSON
- Remove all handleWorkerError, handleFetchError imports
Philosophy: If something breaks, we KNOW it broke. No silent failures.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* refactor: remove intermediate error handling from worker service (Phase 2)
Apply "fail fast" error handling strategy to worker service layer.
Changes:
- worker-service.ts: Remove try/catch from version endpoint, cleanup,
MCP close, process enumeration, force kill, and isAlive check
- SessionRoutes.ts: Remove try/catch from JSON.stringify calls, remove
.catch() from Chroma sync and SDK agent calls
- SettingsRoutes.ts: Remove try/catch from toggleMcp()
- DatabaseManager.ts: Remove .catch() from backfill and close operations
- SDKAgent.ts: Keep outer try/catch (top-level), remove .catch() from
Chroma sync operations
- SSEBroadcaster.ts: Remove try/catch from broadcast and sendToClient
Philosophy: Errors propagate and crash loud. BaseRouteHandler.wrapHandler
provides top-level catching for HTTP routes.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* refactor: remove error swallowing from SQLite services (Phase 3)
Apply "fail fast" error handling strategy to database layer.
SessionStore.ts migrations:
- ensureWorkerPortColumn(): Remove outer try/catch, let it throw
- ensurePromptTrackingColumns(): Remove outer try/catch, let it throw
- removeSessionSummariesUniqueConstraint(): Keep inner transaction
rollback, remove outer catch
- addObservationHierarchicalFields(): Remove outer try/catch
- makeObservationsTextNullable(): Keep inner transaction rollback,
remove outer catch
- createUserPromptsTable(): Keep inner transaction rollback, remove
outer catch
- getFilesForSession(): Remove try/catch around JSON.parse
SessionSearch.ts:
- ensureFTSTables(): Remove try/catch, let it throw
Philosophy: Migration errors that are swallowed mean we think the
database is fine when it's not. Keep only inner transaction rollback
try/catch blocks.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* refactor: remove error hiding from utilities (Phase 4)
Apply "fail fast" error handling strategy to utility layer.
logger.ts:
- formatTool(): Remove try/catch, let JSON.parse throw on malformed input
context-generator.ts:
- loadContextConfig(): Remove try/catch, let parseInt throw on invalid settings
- Transcript extraction: Remove try/catch, let file read errors propagate
ChromaSync.ts:
- close(): Remove nested try/catch blocks, let close errors propagate
Philosophy: No silent fallbacks or hidden defaults. If something breaks,
we know it broke immediately.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat: serve static UI assets and update package root path
- Added middleware to serve static UI assets (JS, CSS, fonts, etc.) in ViewerRoutes.
- Updated getPackageRoot function to correctly return the package root directory as one level up from the current directory.
* feat: Enhance mode loading with inheritance support
- Introduced parseInheritance method to handle parent--override mode IDs.
- Added deepMerge method for recursively merging mode configurations.
- Updated loadMode method to support inheritance, loading parent modes and applying overrides.
- Improved error handling for missing mode files and logging for better traceability.
* fix(modes): correct inheritance file resolution and path handling
* Refactor code structure for improved readability and maintainability
* feat: Add mode configuration documentation and examples
* fix: Improve concurrency handling in translateReadme function
* Refactor SDK prompts to enhance clarity and structure
- Updated the `buildInitPrompt` and `buildContinuationPrompt` functions in `prompts.ts` to improve the organization of prompt components, including the addition of language instructions and footer messages.
- Removed redundant instructions and emphasized the importance of recording observations.
- Modified the `ModePrompts` interface in `types.ts` to include new properties for system identity, language instructions, and output format header, ensuring better flexibility and clarity in prompt generation.
* Enhance prompts with language instructions and XML formatting
- Updated `buildInitPrompt`, `buildSummaryPrompt`, and `buildContinuationPrompt` functions to include detailed language instructions in XML comments.
- Ensured that language instructions guide users to keep XML tags in English while writing content in the specified language.
- Modified the `buildSummaryPrompt` function to accept `mode` as a parameter for consistency.
- Adjusted the call to `buildSummaryPrompt` in `SDKAgent` to pass the `mode` argument.
* Refactor XML prompt generation in SDK
- Updated the buildInitPrompt, buildSummaryPrompt, and buildContinuationPrompt functions to use new placeholders for XML elements, improving maintainability and readability.
- Removed redundant language instructions in comments for clarity.
- Added new properties to ModePrompts interface for better structure and organization of XML placeholders and section headers.
* feat: Update observation prompts and structure across multiple languages
* chore: Remove planning docs and update Ragtime README
Remove ephemeral development artifacts:
- .claude/plans/modes-system-fixes.md
- .claude/test-analysis-report.md
- PROMPT_INJECTION_ANALYSIS.md
Update ragtime/README.md to explain:
- Feature is not yet implemented
- Dependency on modes system (now complete in PR #412)
- Ready to be scripted out in future release
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
* fix: Move summary prompts to mode files for multilingual support
Summary prompts were hardcoded in English in prompts.ts, breaking
multilingual support. Now properly mode-based:
- Added summary_instruction, summary_context_label,
summary_format_instruction, summary_footer to code.json
- Updated buildSummaryPrompt() to use mode fields instead of hardcoded text
- Added summary_footer with language instructions to all 10 language modes
- Language modes keep English prompts + language requirement footer
This fixes the gaslighting where we claimed full multilingual support
but summaries were still generated in English.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
* chore: Clean up README by removing local preview instructions and streamlining beta features section
* Add translated README files for Ukrainian, Vietnamese, and Chinese languages
* Add new language modes for code development in multiple languages
- Introduced JSON configurations for Code Development in Greek, Finnish, Hebrew, Hindi, Hungarian, Indonesian, Italian, Dutch, Norwegian, Polish, Brazilian Portuguese, Romanian, Swedish, Turkish, and Ukrainian.
- Each configuration includes prompts for observations, summaries, and instructions tailored to the respective language.
- Ensured that all prompts emphasize the importance of generating observations without referencing the agent's actions.
* Add multilingual support links to README files in various languages
- Updated README.id.md, README.it.md, README.ja.md, README.ko.md, README.nl.md, README.no.md, README.pl.md, README.pt-br.md, README.ro.md, README.ru.md, README.sv.md, README.th.md, README.tr.md, README.uk.md, README.vi.md, and README.zh.md to include links to other language versions.
- Each README now features a centered paragraph with flags and links for easy navigation between different language documents.
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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Alex Newman
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54ef9662c1 |
Enhance SDKAgent response handling and message processing
- Updated response logging to process both empty and non-empty responses. - Added functionality to mark messages as processed even when the response is empty. - Refactored message processing logic to ensure all pending messages are marked as processed after successful observation/summary storage. - Introduced a new private method `markMessagesProcessed` to encapsulate the logic for marking messages as processed, preventing message loss and duplicate processing. |
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Alex Newman
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d6cd9e6059 |
fix: implement pending_messages cleanup to prevent unbounded growth
Fixes #353 - Observations not being saved due to incomplete pending messages implementation Changes: - PendingMessageStore.markProcessed() now clears tool_input and tool_response - PendingMessageStore.cleanupProcessed() changed from time-based to count-based retention - Keeps most recent 100 processed messages for UI display - SDKAgent.processSDKResponse() calls cleanup after marking messages processed This prevents the database from growing unbounded with duplicate transcript data. The pending_messages table now only stores full transcripts for pending/processing messages, while processed messages keep metadata only. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com> |
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Alex Newman
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282345f379 |
backup: Phase 1 agent work (security, persistence, batch endpoint)
This is a backup of all work done by the 3 Phase 1 agents: Agent A - Command Injection Fix (Issue #354): - Fixed command injection in BranchManager.ts - Fixed unnecessary shell usage in bun-path.ts - Added comprehensive security test suite - Created SECURITY.md and SECURITY_AUDIT_REPORT.md Agent B - Observation Persistence Fix (Issue #353): - Added PendingMessageStore from PR #335 - Integrated persistent queue into SessionManager - Modified SDKAgent to mark messages complete - Updated SessionStore with pending_messages migration - Updated worker-types.ts with new interfaces Agent C - Batch Endpoint Verification (Issue #348): - Created batch-observations.test.ts - Updated worker-service.mdx documentation Also includes: - Documentation context files (biomimetic, windows struggles) - Build artifacts from agent testing This work will be re-evaluated after v7.3.0 release. |
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Alex Newman
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7fdf5e75ab |
refactor: replace happy_path_error__with_fallback with logger.happyPathError (#313)
- Removed all instances of happy_path_error__with_fallback from various hooks, services, and utilities. - Introduced logger.happyPathError for consistent logging of unexpected nulls and fallback values. - Updated the logger utility to include a new happyPathError method with enhanced context and stack trace. - Deprecated silent-debug utility as all logging functionality has been migrated to the logger. |
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Alex Newman
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52d2f72a82 |
Standardize and enhance error handling across hooks and worker service (#295)
* Enhance error logging in hooks
- Added detailed error logging in context-hook, new-hook, save-hook, and summary-hook to capture status, project, port, and relevant session information on failures.
- Improved error messages thrown in save-hook and summary-hook to include specific context about the failure.
* Refactor migration logging to use console.log instead of console.error
- Updated SessionSearch and SessionStore classes to replace console.error with console.log for migration-related messages.
- Added notes in the documentation to clarify the use of console.log for migration messages due to the unavailability of the structured logger during constructor execution.
* Refactor SDKAgent and silent-debug utility to simplify error handling
- Updated SDKAgent to use direct defaults instead of happy_path_error__with_fallback for non-critical fields such as last_user_message, last_assistant_message, title, filesRead, filesModified, concepts, and summary.request.
- Enhanced silent-debug documentation to clarify appropriate use cases for happy_path_error__with_fallback, emphasizing its role in handling unexpected null/undefined values while discouraging its use for nullable fields with valid defaults.
* fix: correct happy_path_error__with_fallback usage to prevent false errors
Fixes false "Missing cwd" and "Missing transcript_path" errors that were
flooding silent.log even when values were present.
Root cause: happy_path_error__with_fallback was being called unconditionally
instead of only when the value was actually missing.
Pattern changed from:
value: happy_path_error__with_fallback('Missing', {}, value || '')
To correct usage:
value: value || happy_path_error__with_fallback('Missing', {}, '')
Fixed in:
- src/hooks/save-hook.ts (PostToolUse hook)
- src/hooks/summary-hook.ts (Stop hook)
- src/services/worker/http/routes/SessionRoutes.ts (2 instances)
Impact: Eliminates false error noise, making actual errors visible.
Addresses issue #260 - users were seeing "Missing cwd" errors despite
Claude Code correctly passing all required fields.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
* Enhance error logging and handling across services
- Improved error messages in SessionStore to include project context when fetching boundary observations and timestamps.
- Updated ChromaSync error handling to provide more informative messages regarding client initialization failures, including the project context.
- Enhanced error logging in WorkerService to include the package path when reading version fails.
- Added detailed error logging in worker-utils to capture expected and running versions during health checks.
- Extended WorkerErrorMessageOptions to include actualError for more informative restart instructions.
* Refactor error handling in hooks to use standardized fetch error handler
- Introduced a new error handler `handleFetchError` in `shared/error-handler.ts` to standardize logging and user-facing error messages for fetch failures across hooks.
- Updated `context-hook.ts`, `new-hook.ts`, `save-hook.ts`, and `summary-hook.ts` to utilize the new error handler, improving consistency and maintainability.
- Removed redundant imports and error handling logic related to worker restart instructions from the hooks.
* feat: add comprehensive error handling tests for hooks and ChromaSync client
---------
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
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Alex Newman
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005a80c540 |
Refactor SettingsDefaultsManager: Move to shared directory and update imports
- Moved SettingsDefaultsManager from worker/settings to shared directory. - Updated all import paths across the codebase to reflect the new location. - Removed early-settings.ts as its functionality is now handled by SettingsDefaultsManager. - Adjusted logger and paths to utilize SettingsDefaultsManager for configuration values. |
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Alex Newman
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c3761a2204 |
Refactor silent debugging to happy path error handling
- Replaced instances of silentDebug with happy_path_error__with_fallback across multiple files to improve error logging and handling. - Updated the utility function to provide clearer semantics for error handling when expected values are missing. - Introduced a script to find potential silent failures in the codebase that may need to be addressed with the new error handling approach. |
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Alex Newman
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fc5c2d5e07 |
Refactor settings management to use ~/.claude-mem/settings.json
- Updated paths in troubleshooting documentation to reflect new settings file location. - Modified diagnostics and reference files to read from ~/.claude-mem/settings.json. - Introduced getWorkerPort utility for cleaner worker port retrieval. - Enhanced ChromaSync and SDKAgent to load Python version and Claude path from settings. - Updated SettingsRoutes to validate new settings: CLAUDE_MEM_LOG_LEVEL and CLAUDE_MEM_PYTHON_VERSION. - Added early-settings module to load settings for logger and other early-stage modules. - Adjusted logger to use early-loaded log level setting. - Refactored paths to utilize early-loaded data directory setting. |
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Alex Newman
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f494d3b168 |
Refactor settings management to use SettingsDefaultsManager
- Introduced SettingsDefaultsManager to centralize default settings and loading logic. - Updated context-generator, SDKAgent, SettingsRoutes, and worker-utils to utilize the new manager for loading settings. - Removed redundant code for reading settings from files and environment variables. - Ensured fallback to default values when settings file is missing or invalid. |
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Alex Newman
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e1d2ffeb02 |
fix: Hide console window on Windows when spawning child processes (#166)
* fix: Hide console window on Windows when spawning child processes Add windowsHide: true to spawnSync and execSync calls to prevent empty console windows from appearing on Windows when hooks execute. Fixes two spawn points: - worker-utils.ts: PM2 spawn when starting worker service - user-message-hook.ts: Node spawn for context display Reference: https://nodejs.org/api/child_process.html (windowsHide option) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: Add windowsHide to remaining execSync calls for complete Windows console window hiding This completes the Windows console window fix by adding `windowsHide: true` to all remaining `execSync` calls: - src/services/worker-service.ts:220 - pgrep command for orphaned process detection - src/services/worker-service.ts:226 - pkill command for process cleanup - src/services/worker/SDKAgent.ts:414 - where/which claude command for finding executable These operations are less frequent than the user-prompt hook, but should still avoid spawning console windows on Windows for a complete fix. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Alex Newman <thedotmack@users.noreply.github.com> --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com> Co-authored-by: Alex Newman <thedotmack@users.noreply.github.com> |
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Alex Newman
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3cbc041c8b |
feat: Add ROI tracking with discovery_tokens for observations and session summaries (#111)
* feat: Add discovery_tokens for ROI tracking in observations and session summaries - Introduced `discovery_tokens` column in `observations` and `session_summaries` tables to track token costs associated with discovering and creating each observation and summary. - Updated relevant services and hooks to calculate and display ROI metrics based on discovery tokens. - Enhanced context economics reporting to include savings from reusing previous observations. - Implemented migration to ensure the new column is added to existing tables. - Adjusted data models and sync processes to accommodate the new `discovery_tokens` field. * refactor: streamline context hook by removing unused functions and updating terminology - Removed the estimateTokens and getObservations helper functions as they were not utilized. - Updated the legend and output messages to replace "discovery" with "work" for clarity. - Changed the emoji representation for different observation types to better reflect their purpose. - Enhanced output formatting for improved readability and understanding of token usage. * Refactor user-message-hook and context-hook for improved clarity and functionality - Updated user-message-hook.js to enhance error messaging and improve variable naming for clarity. - Modified context-hook.ts to include a new column key section, improved context index instructions, and added emoji icons for observation types. - Adjusted footer messages in context-hook.ts to emphasize token savings and access to past research. - Changed user-message-hook.ts to update the feedback and support message for clarity. * fix: Critical ROI tracking fixes from PR review Addresses critical findings from PR #111 review: 1. **Fixed incorrect discovery token calculation** (src/services/worker/SDKAgent.ts) - Changed from passing cumulative total to per-response delta - Now correctly tracks token cost for each observation/summary - Captures token state before/after response processing - Prevents all observations getting inflated cumulative values 2. **Fixed schema version mismatch** (src/services/sqlite/SessionStore.ts) - Changed ensureDiscoveryTokensColumn() from version 11 to version 7 - Now matches migration007 definition in migrations.ts - Ensures consistent version tracking across migration system These fixes ensure ROI metrics accurately reflect token costs. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> --------- Co-authored-by: Claude <noreply@anthropic.com> |
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Alex Newman
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68290a9121 |
Performance improvements: Token reduction and enhanced summaries (#101)
* refactor: Reduce continuation prompt token usage by 95 lines Removed redundant instructions from continuation prompt that were originally added to mitigate a session continuity issue. That issue has since been resolved, making these detailed instructions unnecessary on every continuation. Changes: - Reduced continuation prompt from ~106 lines to ~11 lines (~95 line reduction) - Changed "User's Goal:" to "Next Prompt in Session:" (more accurate framing) - Removed redundant WHAT TO RECORD, WHEN TO SKIP, and OUTPUT FORMAT sections - Kept concise reminder: "Continue generating observations and progress summaries..." - Initial prompt still contains all detailed instructions Impact: - Significant token savings on every continuation prompt - Faster context injection with no loss of functionality - Instructions remain comprehensive in initial prompt Files modified: - src/sdk/prompts.ts (buildContinuationPrompt function) - plugin/scripts/worker-service.cjs (compiled output) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * refactor: Enhance observation and summary prompts for clarity and token efficiency * Enhance prompt clarity and instructions in prompts.ts - Added a reminder to think about instructions before starting work. - Simplified the continuation prompt instruction by removing "for this ongoing session." * feat: Enhance settings.json with permissions and deny access to sensitive files refactor: Remove PLAN-full-observation-display.md and PR_SUMMARY.md as they are no longer needed chore: Delete SECURITY_SUMMARY.md since it is redundant after recent changes fix: Update worker-service.cjs to streamline observation generation instructions cleanup: Remove src-analysis.md and src-tree.md for a cleaner codebase refactor: Modify prompts.ts to clarify instructions for memory processing * refactor: Remove legacy worker service implementation * feat: Enhance summary hook to extract last assistant message and improve logging - Added function to extract the last assistant message from the transcript. - Updated summary hook to include last assistant message in the summary request. - Modified SDKSession interface to store last assistant message. - Adjusted buildSummaryPrompt to utilize last assistant message for generating summaries. - Updated worker service and session manager to handle last assistant message in summarize requests. - Introduced silentDebug utility for improved logging and diagnostics throughout the summary process. * docs: Add comprehensive implementation plan for ROI metrics feature Added detailed implementation plan covering: - Token usage capture from Agent SDK - Database schema changes (migration #8) - Discovery cost tracking per observation - Context hook display with ROI metrics - Testing and rollout strategy Timeline: ~20 hours over 4 days Goal: Empirical data for YC application amendment 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * feat: Add transcript processing scripts for analysis and formatting - Implemented `dump-transcript-readable.ts` to generate a readable markdown dump of transcripts, excluding certain entry types. - Created `extract-rich-context-examples.ts` to extract and showcase rich context examples from transcripts, highlighting user requests and assistant reasoning. - Developed `format-transcript-context.ts` to format transcript context into a structured markdown format for improved observation generation. - Added `test-transcript-parser.ts` for validating data extraction from transcript JSONL files, including statistics and error reporting. - Introduced `transcript-to-markdown.ts` for a complete representation of transcript data in markdown format, showing all context data. - Enhanced type definitions in `transcript.ts` to support new features and ensure type safety. - Built `transcript-parser.ts` to handle parsing of transcript JSONL files, including error handling and data extraction methods. * Refactor hooks and SDKAgent for improved observation handling - Updated `new-hook.ts` to clean user prompts by stripping leading slashes for better semantic clarity. - Enhanced `save-hook.ts` to include additional tools in the SKIP_TOOLS set, preventing unnecessary observations from certain command invocations. - Modified `prompts.ts` to change the structure of observation prompts, emphasizing the observational role and providing a detailed XML output format for observations. - Adjusted `SDKAgent.ts` to enforce stricter tool usage restrictions, ensuring the memory agent operates solely as an observer without any tool access. * feat: Enhance session initialization to accept user prompts and prompt numbers - Updated `handleSessionInit` in `worker-service.ts` to extract `userPrompt` and `promptNumber` from the request body and pass them to `initializeSession`. - Modified `initializeSession` in `SessionManager.ts` to handle optional `currentUserPrompt` and `promptNumber` parameters. - Added logic to update the existing session's `userPrompt` and `lastPromptNumber` if a `currentUserPrompt` is provided. - Implemented debug logging for session initialization and updates to track user prompts and prompt numbers. --------- Co-authored-by: Claude <noreply@anthropic.com> |
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Alex Newman
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39fedfc5fc |
feat: Enhance summary hook to include last user message from transcript (#95)
* feat: Enhance summary hook to include last user message from transcript - Added functionality to extract the last user message from a JSONL transcript file in the summary hook. - Updated the summary hook to send the last user message along with the summary request. - Modified the SDKSession interface to include an optional last_user_message field. - Updated the summary prompt to incorporate the last user message in the output format. - Refactored worker service to handle the last user message in the summarize queue. - Enhanced session manager to track and broadcast processing status based on active sessions and queue depth. - Improved error handling and logging for better traceability during transcript reading and processing. * feat(worker): enhance processing status broadcasting and session management - Added immediate broadcasting of processing status when a prompt is received. - Implemented logging for generator completion in multiple locations. - Updated `broadcastProcessingStatus` to include queue depth and active session count in logs. - Modified session iterator to stop yielding messages after a summary is yielded, with appropriate logging. |
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basher83
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97d565e3cd |
Replace search skill with mem-search (#91)
* feat: add mem-search skill with progressive disclosure architecture Add comprehensive mem-search skill for accessing claude-mem's persistent cross-session memory database. Implements progressive disclosure workflow and token-efficient search patterns. Features: - 12 search operations (observations, sessions, prompts, by-type, by-concept, by-file, timelines, etc.) - Progressive disclosure principles to minimize token usage - Anti-patterns documentation to guide LLM behavior - HTTP API integration for all search functionality - Common workflows with composition examples Structure: - SKILL.md: Entry point with temporal trigger patterns - principles/: Progressive disclosure + anti-patterns - operations/: 12 search operation files 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * docs: add CHANGELOG entry for mem-search skill Document mem-search skill addition in Unreleased section with: - 100% effectiveness compliance metrics - Comparison to previous search skill implementation - Progressive disclosure architecture details - Reference to audit report documentation 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * docs: add mem-search skill audit report Add comprehensive audit report validating mem-search skill against Anthropic's official skill-creator documentation. Report includes: - Effectiveness metrics comparison (search vs mem-search) - Critical issues analysis for production readiness - Compliance validation across 6 key dimensions - Reference implementation guidance Result: mem-search achieves 100% compliance vs search's 67% 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * feat: Add comprehensive search architecture analysis document - Document current state of dual search architectures (HTTP API and MCP) - Analyze HTTP endpoints and MCP search server architectures - Identify DRY violations across search implementations - Evaluate the use of curl as the optimal approach for search - Provide architectural recommendations for immediate and long-term improvements - Outline action plan for cleanup, feature parity, DRY refactoring * refactor: Remove deprecated search skill documentation and operations * refactor: Reorganize documentation into public and context directories Changes: - Created docs/public/ for Mintlify documentation (.mdx files) - Created docs/context/ for internal planning and implementation docs - Moved all .mdx files and assets to docs/public/ - Moved all internal .md files to docs/context/ - Added CLAUDE.md to both directories explaining their purpose - Updated docs.json paths to work with new structure Benefits: - Clear separation between user-facing and internal documentation - Easier to maintain Mintlify docs in dedicated directory - Internal context files organized separately 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Enhance session management and continuity in hooks - Updated new-hook.ts to clarify session_id threading and idempotent session creation. - Modified prompts.ts to require claudeSessionId for continuation prompts, ensuring session context is maintained. - Improved SessionStore.ts documentation on createSDKSession to emphasize idempotent behavior and session connection. - Refined SDKAgent.ts to detail continuation prompt logic and its reliance on session.claudeSessionId for unified session handling. --------- Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Alex Newman <thedotmack@gmail.com> |
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Alex Newman
|
3529f9274b |
feat: Enhanced logging and SDK prompt improvements (#94)
* Initial plan * Initial analysis: Found root cause of double entries bug Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * Fix double entries by assigning generatorPromise in handleSessionInit Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> * feat(logging): Enhance HTTP request logging and session management - Added middleware for logging HTTP requests and responses, excluding static assets and health checks. - Introduced a method to summarize request bodies for specific endpoints. - Improved logging for user prompt synchronization with Chroma, including duration tracking. - Enhanced session initialization logging to include additional session details. - Updated observation and summary logging to provide more context and error handling during Chroma synchronization. - Refactored tool name formatting for logging in the SessionManager. - Expanded logger component types to include 'HTTP', 'SESSION', and 'CHROMA'. * Refactor SDK prompts and logging for improved clarity and functionality - Updated buildInitPrompt to clarify the observer's role and what to record. - Enhanced buildSummaryPrompt with clearer instructions for summarizing ongoing sessions. - Improved buildContinuationPrompt to emphasize the focus on deliverables and capabilities. - Refactored WorkerService to utilize a centralized tool formatting function for logging. - Added truncation for logged responses and observations to improve readability. - Updated SessionManager to log the queuing of summarize actions with session details. - Enhanced App and Sidebar components to support refreshing stats on sidebar open. - Refactored useStats hook to allow manual refreshing of stats while maintaining automatic loading on mount. --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> |
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copilot-swe-agent[bot]
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730c420a13 |
Add CWD propagation through hook, worker, and SDK agent
Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com> |
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Alex Newman
|
fda069bb07 |
Fix GitHub issues #76, #74, #75 + session lifecycle improvements (#77)
* Refactor context-hook: Fix anti-patterns and improve maintainability This refactor addresses all anti-patterns documented in CLAUDE.md, improving code quality without changing behavior. **Dead Code Removed:** - Eliminated unused useIndexView parameter throughout - Cleaned up entry point logic **Magic Numbers → Named Constants:** - CHARS_PER_TOKEN_ESTIMATE = 4 (token estimation) - SUMMARY_LOOKAHEAD = 1 (explains +1 in query) - Added clarifying comment for DISPLAY_SESSION_COUNT **Code Duplication Eliminated:** - Reduced 34 lines to 4 lines with renderSummaryField() helper - Replaced 4 identical summary field rendering blocks **Error Handling Added:** - parseJsonArray() now catches JSON.parse exceptions - Prevents session crashes from malformed data **Type Safety Improved:** - Added SessionSummary interface (replaced inline type cast) - Added SummaryTimelineItem for timeline items - Proper Map typing: Map<string, TimelineItem[]> **Variable Naming Clarity:** - summariesWithOffset → summariesForTimeline - isMostRecent → shouldShowLink (explains purpose) - dayTimelines → itemsByDay - nextSummary → olderSummary (correct chronology) **Better Documentation:** - Explained confusing timeline offset logic - Removed apologetic comments, added clarifying ones **Impact:** - 28 lines saved from duplication elimination - Zero behavioral changes (output identical) - Improved maintainability and type safety 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Fix context-hook to respect settings.json contextDepth The context-hook was ignoring the user's contextDepth setting from the web UI (stored in ~/.claude-mem/settings.json) and always using the default of 50 observations. **Problem:** - Web UI sets contextDepth in ~/.claude-mem/settings.json - Context-hook only read from process.env.CLAUDE_MEM_CONTEXT_OBSERVATIONS - User's preference of 7 observations was ignored, always showing 50 **Solution:** - Added getContextDepth() function following same pattern as getWorkerPort() - Priority: settings.json > env var > default (50) - Validates contextDepth is a positive number **Testing:** - Verified with contextDepth: 7 → shows 7 observations ✓ - Verified with contextDepth: 3 → shows 3 observations ✓ - Settings properly respected on every session start **Files Changed:** - src/hooks/context-hook.ts: Added getContextDepth() + imports - plugin/scripts/context-hook.js: Built output 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Fix context-hook to read from correct settings file location **Critical Bug Fix:** Previous commit read from completely wrong location with wrong field name. **What was wrong:** - Reading from: ~/.claude-mem/settings.json (doesn't exist) - Looking for: contextDepth (wrong field) - Result: Always falling back to default of 50 **What's fixed:** - Reading from: ~/.claude/settings.json (correct location) - Looking for: env.CLAUDE_MEM_CONTEXT_OBSERVATIONS (correct field) - Matches pattern used in worker-service.ts **Testing:** - With CLAUDE_MEM_CONTEXT_OBSERVATIONS: "15" → shows 15 observations ✓ - With CLAUDE_MEM_CONTEXT_OBSERVATIONS: "5" → shows 5 observations ✓ - Web UI settings now properly respected **Files Changed:** - src/hooks/context-hook.ts: Fixed path and field name in getContextDepth() - plugin/scripts/context-hook.js: Built output 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Fix GitHub issues #76, #74, #75 + session lifecycle improvements Bug Fixes: - Fix PM2 'Process 0 not found' error (#76): Changed pm2 restart to pm2 start (idempotent) - Fix troubleshooting skill distribution (#74, #75): Moved from .claude/skills/ to plugin/skills/ Session Lifecycle Improvements: - Added session lifecycle context to SDK agent prompt - Changed summary framing from "final report" to "progress checkpoint" - Updated summary prompts to use progressive tense ("so far", "actively working on") - Added buildContinuationPrompt() for prompt #2+ to avoid re-initialization - SessionManager now restores prompt counter from database - SDKAgent conditionally uses init vs continuation prompt based on prompt number These changes improve context-loading task handling and reduce incorrect "file not found" reports in summaries (partial fix for #73 - awaiting user feedback). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * Release v5.3.0: Session lifecycle improvements and bug fixes Improvements: - Session prompt counter now restored from DB on worker restart - Continuation prompts for prompt #2+ (lightweight, avoids re-init) - Summary framing changed from "final report" to "progress checkpoint" - PM2 start command (idempotent, fixes "Process 0 not found" error) - Troubleshooting skill moved to plugin/skills/ for proper distribution Technical changes: - SessionManager loads prompt_counter from DB on initialization - SDKAgent uses buildContinuationPrompt() for requests #2+ - Updated summary prompt to clarify mid-session checkpoints - Fixed worker-utils.ts to use pm2 start instead of pm2 restart - Moved .claude/skills/troubleshoot → plugin/skills/troubleshoot Fixes: - GitHub issue #76: PM2 "Process 0 not found" error - GitHub issue #74, #75: Troubleshooting skill not distributed - GitHub issue #73 (partial): Context-loading tasks reported as failed 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> --------- Co-authored-by: Claude <noreply@anthropic.com> |
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Alex Newman
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e22edaddf4 | fix: update narrative assignment in SDKAgent to use obs.narrative | ||
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Alex Newman
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30a42036aa |
feat: add scroll-to-top button and improve pagination handling
- Implemented a scroll-to-top button in the viewer UI for better navigation. - Added styles for the scroll-to-top button in viewer.html and viewer-template.html. - Created a new ScrollToTop component to manage visibility and scrolling behavior. - Updated Feed component to include the ScrollToTop component. - Enhanced pagination logic in usePagination hook to prevent stale closures and improve performance. - Modified SDKAgent to include additional observation fields for better data handling. |
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Alex Newman
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4bc467f7ed |
feat: Implement Worker Service for long-running HTTP service with PM2 management
- Introduced WorkerService class to handle HTTP requests and manage sessions. - Added endpoints for health check, session management, and data retrieval. - Integrated ChromaSync for background data synchronization. - Implemented SSE for real-time updates to connected clients. - Added error handling and logging throughout the service. - Cached Claude executable path for improved performance. - Included settings management for user configuration. - Established database interactions for session and observation management. |
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Alex Newman
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13643a5b18 |
Release v5.1.3: Fix PostToolUse hook field name bug
Bug Fix: - Changed tool_output to tool_response throughout PostToolUse hook chain - PostToolUse events provide tool_response field, not tool_output - Updated save-hook.ts to send tool_response - Updated worker-service.ts endpoint to accept tool_response - Updated worker-service-v2.ts for consistency - Updated worker-types.ts interfaces (PendingMessage, ObservationData) - Updated SessionManager.ts message queue - Updated SDKAgent.ts observation prompt builder Impact: Fixes observation capture for PostToolUse events. Previous version was sending undefined for tool responses, causing incomplete observations. Files changed: - src/hooks/save-hook.ts (interface + destructuring + fetch body) - src/services/worker-service.ts (ObservationMessage interface + handler + SDK prompt) - src/services/worker-service-v2.ts (handler) - src/services/worker-types.ts (PendingMessage + ObservationData interfaces) - src/services/worker/SessionManager.ts (queue push) - src/services/worker/SDKAgent.ts (observation prompt) - plugin/scripts/*.js (rebuilt) - Version bumped to 5.1.3 (patch) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> |
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Alex Newman
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980151a50e |
feat: Implement Worker Service v2 with improved architecture
- Complete rewrite of the Worker Service following object-oriented principles. - Introduced a single long-lived database connection to reduce overhead. - Implemented event-driven queues to eliminate polling. - Added DRY utilities for pagination and settings management. - Reduced code size significantly from 1173 lines to approximately 600-700 lines. - Created various composed services including DatabaseManager, SessionManager, and SDKAgent. - Enhanced SSE broadcasting capabilities for real-time client updates. - Established a structured approach for session lifecycle management and event handling. - Introduced type safety with shared TypeScript interfaces for better maintainability. |