fix(state): quote dotted terms in FTS5 queries

[lumethegreat]

What changed

FTS5 session search queries containing dots (e.g. P2.2, simulate.p2.test.ts) can hit query parse edge cases that yield empty results (or an OperationalError that gets handled as no matches) unless the term is quoted.

This PR extends SessionDB._sanitize_fts5_query() to automatically wrap dotted tokens in double quotes, similar to the existing mitigation for hyphenated terms.

Why

Users naturally search for version-like strings (P2.2) and file-like strings (simulate.p2.test.ts). Without quoting, these queries can be interpreted in ways that prevent matching, leading to misleading “no results” behavior in session_search.

How it works

• Detect tokens that contain one or more dots (and only word-ish characters / hyphens around them)
• Rewrite them into quoted phrases:
  • P2.2 → "P2.2"
  • simulate.p2.test.ts → "simulate.p2.test.ts"

Tests

• Added regression tests ensuring:
  • dotted queries do not crash and still return matches
  • dotted tokens are quoted by _sanitize_fts5_query

Command:

• pytest -q tests/test_hermes_state.py -k dotted

Files changed

• hermes_state.py
• tests/test_hermes_state.py

[teknium1]

Merged via PR #4549. Your commit was cherry-picked onto current main with your authorship preserved in git log. During salvage, I merged the dotted-term and hyphenated-term regex steps into a single pass to fix a double-quoting bug for terms containing both dots and hyphens (e.g. my-app.config.ts). Thanks for the contribution!