a3929b457b
`core/download_engine/rate_limit.py` introduces a per-source policy declaration: download_concurrency + download_delay_seconds. Plugins declare via `RATE_LIMIT_POLICY` class attribute or a `rate_limit_policy()` method. Engine applies the declared policy to engine.worker at register_plugin time — set_concurrency + set_delay get pushed in automatically. Plugins without a declaration get the conservative default (1 / 0). The set_engine callback fires AFTER policy registration so config-driven sources (YouTube reads user-tunable youtube.download_delay) can override. Plan doc updated to reflect Phase D skip (search code is 90% source-specific, not 60% — lifting it would be lossy or bloated). Pure additive — no plugin migrated yet. 8 tests pin the resolution priority + engine wire-up + override semantics. Suite still green (327 download tests). |
||
|---|---|---|
| .. | ||
| api-response-shapes.md | ||
| download-engine-refactor-plan.md | ||
| metadata-types-migration.md | ||