feat: add local telemetry playground and monitoring docs#286

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udsmicrosoft wants to merge 18 commits intodocumentdb:mainfrom

udsmicrosoft:users/urismiley/telemetry-playground

Commits on Mar 19, 2026

resolve merge conflict in mkdocs.yml
udsmicrosoft
committed

Commits on Mar 23, 2026

resolve merge conflict in mkdocs.yml
udsmicrosoft
committed

Commits on Mar 25, 2026

Improve telemetry playground: OTel best practices, alerting, logs panel, validation script, kubeletstats DaemonSet
udsmicrosoft
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Fix monitoring docs: correct controller names, add CNPG caveat, clarify OTel naming, trim verbose examples
udsmicrosoft
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Fix namespace race in deploy.sh and update README with operator prerequisite instructions
udsmicrosoft
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Fix deploy.sh secret detection for CNPG 1.28 and add exposeViaService to cluster CR
udsmicrosoft
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Fix gateway dashboard instance variable to use db_client_operations_total
udsmicrosoft
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Fix dashboards: remap to cnpg_* metrics, remove panels for unimplemented gateway metrics
udsmicrosoft
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Fix dashboards: remap PG ops to cnpg tup_ metrics, WAL size, split doc/sec by collection
udsmicrosoft
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