v0.15.0

Changelog

• 2ebb1ce feat(cli): add context command for unified context search
• 47f4675 feat(cli): implement full unified context search integration
• 76cebcf feat(client): implement MCP client and parallel executor
• e88319d feat(context): implement unified context types and dedup/rank logic
• 9f99387 feat(hook): commit-triggered memory nudge after every 3 commits
• 2dcb023 feat(mcp): implement get_context unified search MCP tool handler
• 4cc9d90 feat(mcp): register get_context unified search tool in MCP server
• 1a357e3 feat: graceful degradation when commitmux unavailable
• a97c38b fix(client): use full path for commitmux binary in MCP calls
• 7d885aa fix(lint): handle all os.Remove errors in test cleanup
• 4321bbc fix(lint): handle all remaining os.Remove errors in test cleanup
• 381f8bd fix(lint): handle os.Remove errors in test cleanup
• 17bdaf5 fix(test): remove unused errs variable
• b118bd8 fix(test): update FetchAllSources test for graceful degradation
• 1cea71c fix(test): update PartialFailure test for graceful degradation
• 1ffe301 refactor: move IMPL docs to docs/IMPL/ subdirectory
• dfcec05 roadmap: add graceful commitmux integration task
• f8b1dd0 roadmap: simplify memory-commit integration approach
• aba3733 style: apply gofmt to client and context test files