Remove install context from package telemetry

[blove]

Summary

• remove the derived install_context property from ngaf:postinstall payloads
• remove package telemetry dashboard filters that depended on install_context
• keep source-side CI exclusion as the mechanism for excluding our own CI installs
• update telemetry contract tests and docs to prevent reintroducing the derived field

Verification

• PATH=/tmp/codex-node-v24/bin:$PATH npx nx test telemetry
• PATH=/tmp/codex-node-v24/bin:$PATH npx nx run posthog-tools:test
• PATH=/tmp/codex-node-v24/bin:$PATH npx nx build telemetry
• PATH=/tmp/codex-node-v24/bin:$PATH npx nx run-many -t lint --projects=telemetry,posthog-tools
• PATH=/tmp/codex-node-v24/bin:$PATH npx prettier --check ... && git diff --check
• set -a; source /Users/blove/repos/angular-agent-framework/.env; set +a; PATH=/tmp/codex-node-v24/bin:$PATH npx nx run posthog-tools:sync:apply
• set -a; source /Users/blove/repos/angular-agent-framework/.env; set +a; export POSTHOG_PERSONAL_API_KEY="${POSTHOG_PERSONAL_API_KEY_READONLY:-$POSTHOG_PERSONAL_API_KEY}"; PATH=/tmp/codex-node-v24/bin:$PATH npx nx run posthog-tools:quality:live -- --days 7 --limit-per-event 25 --require-critical-coverage

Notes

• The dashboard updates were applied to PostHog with applied: 16, failed: 0; no orphan deletion was requested.
• Lint still reports existing warnings only.

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Project	Deployment	Actions	Updated (UTC)
cacheplane	Ready	Preview, Comment	May 18, 2026 6:56pm