Keep async music generation completions on the requester-session wake path even when direct-send completion is enabled.
Also aligns config help, generated schema text, public docs, and the changelog so tools.media.asyncCompletion.directSend no longer claims to direct-send music completions.
Verification:
- pnpm test src/agents/tools/music-generate-background.test.ts src/agents/tools/video-generate-background.test.ts
- pnpm exec oxfmt --check --threads=1 src/agents/tools/media-generate-background-shared.ts src/agents/tools/music-generate-background.ts src/agents/tools/music-generate-background.test.ts src/config/schema.help.ts src/config/types.tools.ts docs/automation/tasks.md docs/gateway/config-tools.md CHANGELOG.md
- pnpm config:schema:check
- pnpm config:docs:check
- pnpm check:changelog-attributions
- git diff --check
- OPENCLAW_TESTBOX=1 pnpm check:changed
