Harden agent subtitle workflow for v0.0.6

[ACAne0320]

What changed

• Require translate check to pass completeness, budget, zero-budget, terminology, and deterministic quality gates before translation is marked done.
• Detect copied source text, wrong target script, and repeated target runs.
• Add bounded translate batch reads for context-safe 20-cue Agent workflows.
• Block export on quality warnings by default and fingerprint export inputs/artifacts.
• Reject stale or untracked workspace ASS files during burn.
• Add fetch --max-height, expose runtime version/executable in doctor, and update the bundled Agent skills and usage docs.
• Bump OpenBBQ to 0.0.6.

Why

A real pi + DeepSeek session could fill worksheets with English placeholders or repeated translations, report completion, manually edit derived artifacts, and burn an output that was no longer reproducible from the workspace. Long, unbounded worksheet reads and oversized video downloads amplified the failures.

Impact

The one-prompt bilingual subtitle workflow now fails safely on obvious translation corruption, keeps Agent context bounded, and preserves provenance between translation, export, and burn. Explicit draft escape hatches remain available.

Validation

• ruff check src tests
• ty check
• pytest -q — 263 passed
• CLI help/version smoke checks

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	openbbq-docs	d36732c	Commit Preview URL Branch Preview URL	Jul 17 2026, 09:23 AM