Add API key rotation for NewsAPI and Webz

Upgrade Almanac monthly planner details

Improve Almanac cross-year weekly data

Fix Almanac weekly calendar navigation

Expand weekly Almanac accuracy view

Upgrade Almanac IRIS dashboard view

Add Almanac accuracy and snapshot APIs

Add Almanac accuracy seed inputs

Fix late-year almanac seasonal signals

Include almanac data in Space image

Preserve dashboard state and SEC verification UI

Cache SEC ticker snapshot for faster validation

Use JSON fallback for almanac demo data

Sync almanac and FinBERT updates from IRIS-AI

feat: enforce headline search for special market symbols

feat: allow indices and futures symbols in ticker validation

feat: add end-to-end integration tests and VALIDATION.md developer documentation

feat: add comprehensive error codes, edge case handling, and graceful degradation

feat: add automatic ticker DB refresh with startup integrity checks

feat: add LLM data guardrails with real market data anchoring

feat: add ticker autocomplete with local database prefix search

feat: wire end-to-end validation flow with error banners and loading states

feat: add instant frontend ticker validation with debounced API verification

feat: add validation gate to API endpoints with rate limiting and health check

feat: add multi-layer ticker validation with format, local DB, and API checks

feat: add local ticker database with SEC data download and fuzzy matching