chore(daemon): remove dead manual OTel builders

[rgao-coreweave]

Summary

• Delete the legacy manual OpenTelemetry span builders.
• Remove their unused direct dependencies and exports.
• Keep the shared Weave initialization and attribute helpers used by later slices.

Review boundary

Deletion-only cleanup. This PR introduces no tracing lifecycle or correlation behavior.

Validation

• npm run check
• 60 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 fix(trace): recover Agent lifecycles (superseded by #131) #151 — recover Agent lifecycles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]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• refactor(daemon): dedupe lifecycle helpers (superseded by split stack) #145
• test: consolidate tracing suite (superseded by split stack) #144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
• chore(daemon): remove dead manual OTel builders #129 👈 (View in Graphite)
• 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

This stack of pull requests is managed by Graphite. Learn more about stacking.

[rgao-coreweave]

Folded into #128 — the legacy span-builder deletion and OTLP-dependency removal now land in that PR, so this is redundant.

[rgao-coreweave]

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

[drtangible]

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