* doc: introduce mental models blog post
Write blog post introducing Mental Models in Hindsight 0.4.0:
- Evolution from observations and opinions
- How mental models work (consolidation, evidence tracking)
- Breaking changes and migration path
- Environment variable to enable (experimental)
- Agentic reflect explanation
* updates
* Update 2026-01-26-learning-capabilities.md
* fix: doc build issues
- Add missing code snippets for versioned docs (recall-opinions-only, recall-include-entities, bank-background)
- Fix broken links by using relative paths for version compatibility
- Update blog post title to sentence case
- Clear versions.json since v0.3 versioned docs don't exist yet
- Enable INCLUDE_CURRENT_VERSION in build script
* fix: update doc links after rebase
- Fix blog post to link to correct pages (/developer/api/mental-models and /developer/observations)
- Fix CLI docs to link to /api-reference instead of /api
* feat: add directives section to blog post
- Update intro to mention three layers of knowledge
- Add concise Directives section for compliance/guardrails
- Add directives to resources section
- Keep focus on learning capabilities (observations and mental models)
* fix: revert intro to focus on learning capabilities only
Directives are a separate feature for compliance/guardrails, not a learning capability. The blog post is about observations and mental models.
* chore: cleanup benchmarks runner with old flags
* fix tests
* fix: observations rely on source_memory_ids, no link copying
Observations no longer copy any memory_links from their source facts.
Instead, retrieval uses source_memory_ids to traverse:
- Entity connections: observation → source_memory_ids → unit_entities
- Semantic similarity: observations have their own embeddings
- Temporal proximity: observations have their own temporal fields
This avoids data duplication and fixes bidirectionality issues with
entity links being copied to observations.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
* test: update consolidation test for source_memory_ids behavior
Updated test_consolidation_creates_memory_links to test_consolidation_uses_source_memory_ids
to reflect the new behavior where observations use source_memory_ids instead of memory_links
for traversal.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
* fix: misc fixes for observations and mental models
* feat: improve graph retrieval for observations
- Update LinkExpansionRetriever to traverse through source_memory_ids
for observation entity connections (avoiding data duplication)
- Remove entity link copy from world facts to observations in consolidator
- Add tests for link expansion graph retrieval
- Add directives_applied field to ReflectResult
- Include user's other changes (CLI, docs, client updates)
* fix: CI test failures
- Add mental_model_id parameter to create_mental_model function
- Fix ToolCallTrace not including reason field from ToolCall
- Improve test_link_expansion_observation_graph_retrieval to wait for consolidation with retry
* chore: reduce link expansion log verbosity
* Revert "chore: reduce link expansion log verbosity"
This reverts commit 3ce759391cead1012157785fa78fef16ef9bfe3b.
* feat: add semantic/temporal/entity links as fallback in graph retrieval
- Add fallback query for semantic, temporal, and entity links from memory_links
- Check both directions (outgoing and incoming links)
- Weight fallback results at 0.5x to prioritize entity links via unit_entities
- Fixes graph retrieval returning 0 when data has cross-cluster temporal connections
* fix: enable observations fixture for link expansion test
- Add enable_observations fixture to ensure observations are created
- Increase wait time from 10 to 30 seconds for CI reliability
* feat(litellm): async retain with sync option, fix client session cleanup
- Add sync parameter to retain() for blocking vs background operation
- Default to async retain (sync=False) for better performance
- Add get_pending_retain_errors() to check async failures
- Fix "Unclosed client session" warnings by properly closing clients
- Fix "Timeout context manager" asyncio errors by creating fresh clients
- Each API call now creates and closes its own client (aiohttp limitation)
- Add _get_client() and _close_client() helpers for consistent handling
- Update recall(), reflect(), _retain_sync() and _inject_memories()
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(litellm): add reflect support and require explicit hindsight_query
- Make hindsight_query required when inject_memories=True to enforce
intentional memory queries (no automatic last-user-message fallback)
- Add reflect_context parameter for shaping LLM reasoning in reflect
- Add reflect_response_schema for structured JSON output from reflect
- Add _reflect_sync() and _reflect_async() methods in callbacks
- Update wrappers.py to support response_schema in reflect/areflect
This improves the developer experience by making memory injection
explicit and adds full reflect API support through the integration.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat(litellm): rename recall_budget to budget, add per-call reflect context
- Rename `recall_budget` parameter to `budget` for consistency with API
- Add `hindsight_reflect_context` kwarg for per-call reflect context override
- Fix reflect() to not pass None values for optional parameters
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* docs(litellm): update README for new API structure and features
- Document configure() vs set_defaults() separation
- Add hindsight_query requirement when inject_memories=True
- Document async retain (sync=False default) and get_pending_retain_errors()
- Add hindsight_reflect_context per-call override documentation
- Document budget parameter (renamed from recall_budget)
- Add reflect_context and reflect_response_schema options
- Update all code examples to use new API structure
- Add new functions to API Reference table
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* test(litellm): update tests for new configure/set_defaults API
- Update tests to use separate configure() and set_defaults() calls
- Fix test assertions to check config vs defaults appropriately
- Add tests for legacy parameter backwards compatibility
- Add new TestSetDefaults test class
- Fix _format_memories test call signature (settings, config order)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* feat: add set_bank_mission(), deprecate set_bank_background()
- Add mission parameter to hindsight_client.create_bank()
- Add set_bank_mission() function to hindsight_litellm
- Deprecate set_bank_background() with DeprecationWarning
- Update _create_or_update_bank() to support mission parameter
- Update README and docstrings to document the new API
The 'background' field has been deprecated in the Hindsight API in favor
of 'mission' which is used for mental model generation.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* Remove deprecated background parameter and legacy configure() parameters
- Remove set_bank_background() in favor of set_bank_mission()
- Remove background parameter from _create_or_update_bank()
- Remove background parameter from hindsight_client.create_bank()
- Remove legacy parameters from configure() (bank_id, document_id, budget, etc.)
- These have been replaced by the set_defaults() API
- Remove legacy test cases for deprecated parameters
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix: update tests and docs to use mission instead of background
The create_bank() parameter was renamed from background to mission.
Update all tests and doc examples to use the new parameter name.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: Nicolò Boschi <boschi1997@gmail.com>
* chore: run benchmarks with reflect mode
* chore: run benchmarks with reflect mode
* fixes
* new mm
* bunch of fixes
* initial commit
* fixes
* fixes
* fixes
* fix: sometimes memories gets extracted in the wrong language
The "Test memory" example is too short for the LLM to extract
meaningful facts from, causing the test to silently fail (0 memories
created). Replace with "Alice works at Google as a software engineer"
which has enough context for fact extraction.
Fixes test examples in:
- get-skill installer (local and cloud modes)
- hindsight-embed configure output
- skills.md documentation
* doc: update expired Slack invite link
* feat: add cloud mode to skill installer for team memory sharing
Adds support for Hindsight Cloud in the skill installer, enabling teams
to share memories about a codebase. Changes include:
- Add `--mode cloud` option to get-skill installer
- Install hindsight CLI binary for cloud mode (via get-cli)
- Configure ~/.hindsight/config with API URL and key
- Generate cloud-specific SKILL.md with team-aware guidance
- Distinguish between project conventions and individual preferences
- Update skills.md documentation with cloud setup instructions
Cloud mode workflow:
1. Team admin creates a bank in Hindsight Cloud
2. Each developer runs: curl ... | bash -s -- --mode cloud
3. All team members share the same memory bank
4. Knowledge retained by one member benefits everyone
* ci: frozen uv sync
* fix: add missing authorization parameter to get_agent_stats in CLI
The generated Rust client was updated with an authorization header
parameter for get_agent_stats, but the CLI code wasn't updated.
* feat: Record LLM token metrics via Prometheus
Wire up the existing token metrics infrastructure to actually record
token usage from LLM calls. The MetricsCollector already had
record_tokens() method and Prometheus counters (hindsight.tokens.input,
hindsight.tokens.output), but they were never being populated.
Changes:
- Import get_metrics_collector in llm_wrapper.py
- Call record_tokens() after successful LLM calls for:
- OpenAI/Groq (using response.usage.prompt_tokens, completion_tokens)
- Anthropic (using response.usage.input_tokens, output_tokens)
- Gemini (using response.usage_metadata.prompt_token_count, candidates_token_count)
- Add test file to verify token metrics are recorded
Note: Ollama's native API doesn't return token usage, so metrics
are not recorded for that provider.
The token metrics will now be available via /metrics endpoint:
- hindsight_tokens_input_total
- hindsight_tokens_output_total
* feat: add per-request token usage tracking to retain and reflect endpoints
- Add TokenUsage model with input_tokens, output_tokens, total_tokens
- Return usage metrics in retain response (sync operations only)
- Return usage metrics in reflect response
- Update Python, TypeScript, and Rust clients
- Add API documentation for usage fields
- Add changelog entry
