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+# Changelog
+
+All notable changes to [MemPalace](https://github.com/milla-jovovich/mempalace) are documented in this file.
+
+---
+
+## [Unreleased] — v3.2.0 (on develop)
+
+### Security
+- Harden palace deletion, WAL redaction, and MCP search input handling (#739)
+- Consistent input validation, argument whitelisting, concurrency safety, and WAL fixes (#647)
+- Remove hardcoded credential paths from benchmark runners (#177)
+- Remove global SSL verification bypass in convomem_bench (#176)
+
+### Bug Fixes
+- Prevent convo_miner from re-processing 0-chunk files on every run (#732, #654)
+- Remove silent 8-line AI response truncation in convo_miner (#708, #692)
+- Store full AI response in convo_miner exchange chunking (#695)
+- Fix `mine --dry-run` TypeError on files with room=None (#687, #586)
+- Skip arg whitelist for handlers accepting `**kwargs` (#684, #572)
+- Allow Unicode in `sanitize_name()` — Latvian, CJK, Cyrillic (#683, #637)
+- Auto-repair BLOB seq_ids from chromadb 0.6→1.5 migration (#664)
+- Remove no-op `ORT_DISABLE_COREML` env var (#653, #397)
+- Disambiguate hook block reasons to name MemPalace explicitly (#666)
+- Use epsilon comparison for mtime to prevent unnecessary re-mining (#610)
+- Correct token count estimate in compress summary (#609)
+- Implement MCP ping health checks (#600)
+- Align `cmd_compress` dict keys with `compression_stats()` return values (#569)
+- Skip unreachable reparse points in `detect_rooms_from_folders` on Windows (#558)
+- Prevent HNSW index bloat from duplicate `add()` calls (#544, #525)
+- Purge stale drawers before re-mine to avoid hnswlib segfault (#544)
+- Mitigate system prompt contamination in search queries (#385, #333)
+- Count Codex `user_message` turns in `_count_human_messages` (#373, #347)
+- Paginate large collection reads and surface errors in MCP tools (#371, #339, #338)
+- Expand `~` in split command directory argument (#361)
+- Ignore `wait_for_previous` argument to support Gemini MCP clients (#322)
+- Close KnowledgeGraph SQLite connections in test fixtures (#450)
+- Remove duplicate cache variable declarations in mcp_server.py (#449)
+- Add `--yes` flag to init instructions for non-interactive use (#682, #534)
+- Add `mcp` command with setup guidance (#315)
+
+### New Features
+- i18n support — 8 languages (en, es, fr, de, ja, ko, zh-CN, zh-TW) (#718)
+- New MCP tools: get/list/update drawer, hook settings, export (#667, #635)
+- `mempalace migrate` — recover palaces from different ChromaDB versions (#502)
+- Add OpenClaw/ClawHub skill (#491)
+- Backend seam for pluggable storage backends (#413)
+
+### Improvements
+- Disable broken auto-bump workflow (#414)
+- Improve agent readiness — AGENTS.md, dependabot, CODEOWNERS, labels (#497)
+
+### Documentation
+- Add CLAUDE.md and mission/principles to AGENTS.md (#720)
+- Add VitePress documentation site (#439)
+- Add warning about fake MemPalace websites (#598)
+- Fix stale org URLs and PR branch target in contributor docs (#679)
+- Add ROADMAP.md — v3.1.1 stability patch and v4.0.0-alpha plan
+
+### Internal
+- ruff format convo_miner.py (#741)
+- ruff format all Python files (#675)
+- CI: trigger tests on develop branch PRs and pushes (#674)
+- CI: fix GitHub Pages publishing (#691)
+
+---
+
+## [3.1.0] — 2026-04-09
+
+### Security
+- Harden inputs, fix shell injection, optimize DB access (#387)
+- Sanitize SESSION_ID in save hook to prevent path traversal (#141)
+- Sanitize error responses and remove `sys.exit` from library code (#139)
+- Shell injection fix in hooks, Claude Code mining, chromadb pin (#114)
+
+### Bug Fixes
+- MCP null args hang, repair infinite recursion, OOM on large files (#399)
+- Release ChromaDB handles before rmtree on Windows (#392)
+- Use `os.utime` in mtime test for Windows compatibility (#392)
+- Negotiate MCP protocol version instead of hardcoding (#324)
+- Use upsert and deterministic IDs to prevent data stagnation (#140)
+- Make `drawer_id` deterministic for idempotent writes (#387)
+- Honest AAAK stats — word-based token estimator, lossy labels (#147)
+- Room detection checks keywords against folder paths (#145)
+- Use actual detected room in mine summary stats (#165)
+- Honour `--palace` flag in mcp_server (#264)
+- Preserve default KG path when `--palace` not passed (#270)
+- `--yes` flag skips all interactive prompts in init (#123)
+- Repair command, split args, Claude export, room keywords (#119)
+- Replace Unicode separator in convo_miner.py for Windows compatibility (#129)
+- Coerce MCP integer arguments to native Python int (#84)
+- Batch ChromaDB reads to avoid SQLite variable limit (#66)
+- Respect nested .gitignore rules during mining (#78)
+- Narrow bare `except Exception` to specific types where safe (#54)
+- Mark MD5 as non-security in miner drawer ID generation (#53)
+- Remove dead code and duplicate set items in entity_registry.py (#42)
+- Silence ChromaDB telemetry warnings and CoreML segfault on Apple Silicon (#236)
+- Unify package and MCP version reporting (#16)
+- Fix broken AAAK Dialect link in README (#238)
+- Update input prompt for entity confirmation (#83)
+- Preserve CLI exit codes, log tracebacks, sanitize search errors (#139)
+- Enable SQLite WAL mode and add consistent LIMIT to KG timeline (#136)
+- Add limit=10000 safety cap to all unbounded ChromaDB `.get()` calls (#137)
+- Re-mine modified files, idempotent `add_drawer`, cleanup ChromaDB handles (#140)
+- Resolve formatting, regression logic, and pytest defaults (#270)
+- Use `parse_known_args` to allow importing mcp_server during pytest (#270)
+
+### New Features
+- Package MemPalace as standard Claude and Codex plugins (#270)
+- Add OpenAI Codex CLI JSONL normalizer (#61)
+- Add Codex plugin support with hooks, commands, and documentation (#270)
+- Add command documentation for help, init, mine, search, and status (#270)
+
+### Improvements
+- Cache ChromaDB `PersistentClient` instead of re-instantiating per call (#135)
+- Tighten chromadb version range and add `py.typed` marker (#142)
+- Consolidate split known-names config loading (#22)
+- CI: add separate jobs for Windows and macOS testing
+- CI: Upgrade GitHub Actions for Node 24 compatibility (#55)
+
+### Documentation
+- Add Gemini CLI setup guide and integration section (#106)
+- Add beginner-friendly hooks tutorial (#103)
+- Align MCP setup examples with shipped server (#21)
+- Honest README update — own the mistakes, fix the claims
+
+### Internal
+- Expand test coverage from 20 to 92 tests, migrate to uv (#131)
+- Add scale benchmark suite — 106 tests (#223)
+- Increase test coverage from 30% to 85%, fix Windows encoding bugs (#281)
+- Add WAL mode and entity timeline limit assertions
+- Add coverage for `file_already_mined` mtime check
+
+---
+
+## [3.0.0] — 2026-04-06
+
+Initial public release.
+
+- Palace architecture with day-based rooms, drawers (verbatim), and closets (searchable index)
+- AAAK compression dialect for memory folding
+- Knowledge graph with entity detection and timeline queries
+- MCP server for Claude, Codex, and Gemini integration
+- CLI: `init`, `mine`, `search`, `status`, `compress`, `repair`, `split`
+- Benchmark suite with recall and scale tests
+- README with MCP flow, local model flow, and specialist agent documentation