refactor(parser): parse transcripts into turns and responses

[rgao-coreweave]

Summary

• Represent each assistant API response once and attach normalized responses to its turn.
• Give reused response IDs occurrence-aware keys so nonconsecutive responses are not collapsed.
• Centralize transcript-to-Weave response conversion and add parser regressions.

Review boundary

Transcript normalization only. Daemon lifecycle, tool, and Agent behavior come in later slices.

Validation

• npm run check
• 64 tests pass at this stack point.

Stack

1. chore(daemon): remove dead manual OTel builders #129 — remove dead span infrastructure
2. refactor(parser): parse transcripts into turns and responses #130 — parse transcripts into turns and responses
3. refactor(trace): separate daemon, hook, and session ownership #142 — trace root turns
4. feat(trace): trace ordinary tool calls #147 — trace ordinary tools
5. feat(trace): trace Agent lifecycles #131 — trace live Agent lifecycles
6. fix(trace): recover Agent lifecycles (superseded by #131) #151 — recover Agent lifecycles
7. feat(trace): trace permission decisions #148 — trace permission decisions
8. fix(daemon): drain and finalize traces deterministically #149 — finalize deterministically
9. feat(trace): trace explicit Agent Team lifecycles #143 — trace Agent Teams

[rgao-coreweave]

• refactor(daemon): dedupe lifecycle helpers (superseded by split stack) #145
• test: consolidate tracing suite (superseded by split stack) #144
• feat(trace): trace Agent lifecycles #131
• refactor(parser): parse transcripts into turns and responses #130 👈 (View in Graphite)
• chore(daemon): remove dead manual OTel builders #129
• feat(trace): trace explicit Agent Team lifecycles #143
• refactor(trace): separate daemon, hook, and session ownership #142
• feat(daemon): emit GenAI spans via the weave SDK #128
• feat(daemon): add weave-SDK genai helper layer #141
• main

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[rgao-coreweave]

Folded into #128.

[rgao-coreweave]

Reopening: splitting #128 back into a stack for reviewability; this PR carries its original slice.

[drtangible]

👍 👍 👍