Release 0.2.0: replay, source enforcement, period rule, selective retry (WEBFETCH-WP-0002)

- --replay DIR / replay_dir: offline replay from the cache, hash-verified
- ok values without source become error; Last-Modified recorded as published
- latest period by parsed order (web_fetcher/periods.py); mixed formats refused
- non-numeric values not_found unless value_type: string
- retry only connection errors, timeouts, 429/5xx; honour Retry-After
- opt-in live smoke test; 18 offline tests
- CHANGELOG, README install docs, SCOPE update, capability D2/A3/C2/R2
- WEBFETCH-WP-0003 (repo hygiene) added

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 153021@bnt-lap001
Assistant-Session: 46917be4-6400-4106-b8b7-61953a0caf24

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "web-fetcher"
-version = "0.1.0"
+version = "0.2.0"
 description = "Provenance-first fetching of web and API data for research"
 requires-python = ">=3.10"
 dependencies = []