[kixelated]

Plans the follow-up moq-dev/studio#144 left: a jitter-target step writes silence into a broadcast source's sound or skips it, because moq-audio's bus places positioned audio exactly while moq play's sink stretches.

Summary

• Adds quest/m0/pin-bus-stretch.md [S]: pin moq-audio's stretching Positioned channel and write playout through it with a stretch bound, so the sound glides onto a moved delay. It waits on moq-dev/moq#8605's quest landing upstream and requires pin-main.

Decisions

From the maintainer's /quest-plan interview on 2026-11-12:

• Goal: ✅ moq-audio's bus stretches scheduled audio, reusing its playback sink's NetEq stretch, and the studio pins it (rejected: adjusting it).
• API: ✅ Positioned gains a stretch bound, zero meaning exact (rejected: a new channel kind).
• Milestones: ✅ moq m1, studio m0 (rejected: moq m3 with studio m0; moq m3 with studio m2).

Public API and wire impact: none (quest files only).

Follow-ups

None.

Validation

Quest files only, no behavior to exercise. quest check passes.

Models

Size: S
Implementer: Claude Code, claude-opus-5-5, unknown effort

🤖 Generated with Claude Code

(Written by Claude Opus 5.5)

Review

Rewritten by quest review after each round.

• Head: 28ca83d

• Base: origin/main at 6bd0c9f

• Reviewer: Codex, gpt-6.1-sol, medium effort

• Session: 01a1d260-316c-7f31-892e-da3b840b34c1, round 2

• Score: 10/10, The added plan correctly identifies the current Writer’s overlap trimming and gap behavior and scopes the required adaptation to the upstream stretching channel.

• Findings: none

• Reviewer: opencode, opencode-go/deepseek-v4.1-flash, high effort

• Session: ses_e2d9fc6daffev50gICqFN7P0Ao, round 2

• Score: 9/10, The Plan now records the required Writer change and matches the upstream quest's nonzero-bound semantics, so the earlier step-down gap is fixed; only the studio-side regression test remains implicit, which keeps it short of a 10.

• Findings: none

• The last round's findings, at 65962fb:

  • Fixed: medium, quest/m0/pin-bus-stretch.md:7: Step-down target moves still skip audio because the writer trims the moved-earlier write; The new Plan at quest/m0/pin-bus-stretch.md:22-26 says the Writer stops cutting overlaps and leaving gaps, writes each frame after the last, and hands the channel its due position, which the updated upstream quest matches by making a nonzero-bound write due at its position.

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• Run ID: a01aafa1-6e85-49ab-a014-fed405cf654a

Commits

Reviewing files that changed from the base of the PR and between 6bd0c9f and 28ca83d.

Files selected for processing: 1

• quest/m0/pin-bus-stretch.md

• Autofix · Keep fixing CodeRabbit findings and required CI, and resolving merge conflicts

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[pullfrog]

✅ No new issues found.

Reviewed changes

Reviewed the single quest file added in this PR.

• quest/m0/pin-bus-stretch.md: Plans pinning moq-audio's stretching Positioned channel and changing playout's Writer to write each frame after the last with a 2 s stretch bound. It waits on the upstream quest and requires pin-main.

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