feat(sdk): Phase 1 typed query foundation (gsd-sdk query) (#2118)
* feat(sdk): add typed query foundation and gsd-sdk query (Phase 1)
Add sdk/src/query registry and handlers with tests, GSDQueryError, CLI query wiring, and supporting type/tool-scoping hooks. Update CHANGELOG. Vitest 4 constructor mock fixes in milestone-runner tests.
Made-with: Cursor
* chore: gitignore .cursor for local-only Cursor assets
Made-with: Cursor
* fix(sdk): harden query layer for PR review (paths, locks, CLI, ReDoS)
- resolvePathUnderProject: realpath + relative containment for frontmatter and key_links
- commitToSubrepo: path checks + sanitizeCommitMessage
- statePlannedPhase: readModifyWriteStateMd (lock); MUTATION_COMMANDS + events
- key_links: regexForKeyLinkPattern length/ReDoS guard; phase dirs: reject .. and separators
- gsd-sdk: strip --pick before parseArgs; strict parser; QueryRegistry.commands()
- progress: static GSDError import; tests updated
Made-with: Cursor
* feat(sdk): query follow-up — tests, QUERY-HANDLERS, registry, locks, intel depth
Made-with: Cursor
* docs(sdk): use ASCII punctuation in QUERY-HANDLERS.md
Made-with: Cursor
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