Fix pyright errors from weave ≥0.52.27 interface changes

[Copilot]

Weave renamed OtelExportReq/OtelExportRes → OTelExportReq/OTelExportRes in v0.52.27 and added new abstract methods to TraceServerInterface/ObjectInterface in v0.52.29, causing 10 pyright errors.

• Type rename: Updated otel_export signature and body to use OTelExportReq/OTelExportRes
• Backward compat: Added a TYPE_CHECKING guarded shim that aliases old names to new names at runtime for weave < 0.52.27, keeping weave>=0.52.22 unchanged in pyproject.toml
• Missing abstract stubs: Added annotation_queue_delete, annotation_queue_update (raise NotImplementedError) and eval_results_query (returns empty results) to InMemoryWeaveTraceServer

Original prompt

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This section details on the original issue you should resolve

<issue_title>pyright on lint next fails</issue_title>
<issue_description>```bash
Run uv run --locked --no-sync pyright -p pyrightconfig.json
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:9 - error: Return type is unknown (reportUnknownParameterType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:27 - error: Type of parameter "req" is unknown (reportUnknownParameterType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:32 - error: Type of "OtelExportReq" is unknown (reportUnknownMemberType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:36 - error: "OtelExportReq" is not a known attribute of module "weave.trace_server.trace_server_interface" (reportAttributeAccessIssue)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:54 - error: Type of "OtelExportRes" is unknown (reportUnknownMemberType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:306:58 - error: "OtelExportRes" is not a known attribute of module "weave.trace_server.trace_server_interface" (reportAttributeAccessIssue)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:307:16 - error: Type of "OtelExportRes" is unknown (reportUnknownMemberType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:307:16 - error: Return type is unknown (reportUnknownVariableType)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/instrumentation/weave.py:307:20 - error: "OtelExportRes" is not a known attribute of module "weave.trace_server.trace_server_interface" (reportAttributeAccessIssue)
/home/runner/work/agent-lightning/agent-lightning/agentlightning/tracer/weave.py
/home/runner/work/agent-lightning/agent-lightning/agentlightning/tracer/weave.py:244:24 - error: Cannot instantiate abstract class "WeaveTracerManagedTraceServer"
"ObjectInterface.eval_results_query" is not implemented
"TraceServerInterface.annotation_queue_delete" is not implemented
and 1 more... (reportAbstractUsage)
10 errors, 0 warnings, 0 informations

Run `uv upgrade` first to reproduce. I think some signatures have changed. When fixing, try not to break backward compat.</issue_description>

## Comments on the Issue (you are @copilot in this section)

<comments>
</comments>

• Fixes pyright on lint next fails #496

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[ultmaster]

@copilot No need to bump weave required version. to test, you need to use uv lock --upgrade to test latest version.

[Copilot]

Reverted the weave version bump in f487e48. pyproject.toml and uv.lock are now unchanged. Added a TYPE_CHECKING guard for backward compat with the OTelExportReq/OTelExportRes rename so the code works at runtime with weave>=0.52.22.

[ultmaster]

@copilot No need to bump weave required version. to test, you need to use uv lock --upgrade to test latest version.

[Copilot]

@copilot No need to bump weave required version. to test, you need to use uv lock --upgrade to test latest version.

Reverted the weave version bump in f487e48. pyproject.toml and uv.lock are now unchanged. Used a TYPE_CHECKING guard for the OTelExportReq/OTelExportRes rename so pyright sees the new names but runtime still works with old weave.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• api.wandb.ai
  • Triggering command: /home/REDACTED/work/agent-lightning/agent-lightning/.venv/bin/pytest pytest tests/tracer/test_weave.py -v -m weave (dns block)
• o151352.ingest.us.sentry.io
  • Triggering command: /home/REDACTED/work/agent-lightning/agent-lightning/.venv/bin/pytest pytest tests/tracer/test_weave.py -v -m weave (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)