Attribute Kingston broad actions to public outreach with daily aggregates

[truegoodcraft]

Kingston's current aggregate report loses action attribution, and all recent campaign labels were untagged. Add strict ingestion v3 for the existing broad actions and a report 1.2 that exposes independent public source/campaign/content totals while keeping historical actions unclassified.

• Version 1.33.0 → 1.34.0; SOT, CHANGELOG, measurement contract, operations and release review updated.
• Add only reddit, outreach_2026_09 and post_02 labels. Preserve strict v1/v2 clients and unattributed installation signals.
• Add unapplied migration 0017 for kfh_outreach_daily; atomically write its independent margins and original totals. Keep original-table page labels compatible with a rollback Worker; migration 0016 stays unchanged.
• Reconcile page discovery and each outreach margin, expose classified/unclassified counts, prune both tables at 400 days, and return unavailable/null on missing schema or corrupt/inconsistent data.
• No raw events, identifiers, provider/destination context, combined source/campaign/content history, new secrets, bindings, routes, dependency versions or other reporting changes.

Validation: typecheck and 214 tests passed, including SQL constraints, atomic two-table rollback, mixed legacy/v3 history, migration reapplication/missing migration, retention and report validation. Shared validators and all seven fixtures match Smith exactly. No remote database mutation or production analytics request was made.

Release gate: deploy Smith 0.29.0 first. After owner review, merge this PR, apply exactly migration 0017 to the existing Lighthouse DB after checking pending migrations, verify its receipt, then dispatch the existing Deploy Lighthouse to Cloudflare manual main workflow. Deploy Kingston 0.2.0 last. Merging this PR uploads a version only; it does not apply SQL or promote production.

Read-only 2026-09-09 settings verification confirmed both Lighthouse Workers Builds triggers use npx wrangler versions upload. Review publication can create a preview/version. No settings were changed.

Exact files, seven review impacts and rollback.

Coordinated review PRs (release order): Smith #11 → Lighthouse #8 (migration + manual promotion) → Kingston #2.

GitHub validation: Governance Validation passed on the proposed commit.

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	buscore-lighthouse	4b82797	Commit Preview URL Branch Preview URL	Sep 09 2026, 11:54 PM