[CU-86b90ukc7] Add OTLP telemetry submission after publisher question execution

[angelo-DNAStack]

Summary

• Adds opt-in telemetry: set DNASTACK_METRICS_ENABLED=true to submit an OTLP trace span to collection-service after each omics publisher questions ask execution
• Fire-and-forget — failures are silently swallowed and never surface to the user
• Spans include question name, collection, outcome (success/error), timing, and Python/client version

Changes

• dnastack/feature_flags.py — metrics_enabled flag backed by DNASTACK_METRICS_ENABLED env var
• dnastack/cli/commands/publisher/questions/telemetry.py — build_otlp_span and submit_telemetry helpers
• dnastack/client/collections/client.py — submit_telemetry(otlp_payload) method posting to POST /otlp/v1/traces
• dnastack/cli/commands/publisher/questions/commands.py — timing + telemetry submission in ask_question
• CLAUDE.md — replaced stale pyenv setup instructions with uv run guidance

Test plan

• make test-unit passes
• With DNASTACK_METRICS_ENABLED=true, verify submit_telemetry is called after ask completes
• With flag unset, verify no telemetry is submitted
• Network failure during telemetry does not cause the command to fail

🤖 Generated with Claude Code

[platform-automation-dnastack]

Task linked: CU-86b90ukc7 Add Metrics Proxy Endpoint to Publisher for AAAS Execution Telemetry

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
11088	6610	60%	30%	🟢

New Files

File	Coverage	Status
dnastack/cli/commands/publisher/questions/telemetry.py	91%	🟢
TOTAL	91%	🟢

Modified Files

File	Coverage	Status
dnastack/cli/commands/publisher/questions/commands.py	100%	🟢
dnastack/client/collections/client.py	43%	🟢
dnastack/feature_flags.py	95%	🟢
TOTAL	79%	🟢

updated for commit: cfdfeda by action🐍

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
11087	6609	60%	30%	🟢

New Files

File	Coverage	Status
dnastack/cli/commands/publisher/questions/telemetry.py	90%	🟢
TOTAL	90%	🟢

Modified Files

File	Coverage	Status
dnastack/cli/commands/publisher/questions/commands.py	100%	🟢
dnastack/client/collections/client.py	43%	🟢
dnastack/feature_flags.py	95%	🟢
TOTAL	79%	🟢

updated for commit: c281bb4 by action🐍

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 94.59459% with 2 lines in your changes missing coverage. Please review.
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Files with missing lines	Patch %	Lines
...tack/cli/commands/publisher/questions/telemetry.py	90.90%	2 Missing ⚠️
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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #173   +/-   ##
=======================================
  Coverage        ?   59.61%           
=======================================
  Files           ?      181           
  Lines           ?    11088           
  Branches        ?        0           
=======================================
  Hits            ?     6610           
  Misses          ?     4478           
  Partials        ?        0           

Flag	Coverage Δ
unittests	59.61% <94.59%> (?)

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