fix(processors): PR public-surface skip ordering

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Motivation

• Prevent expensive repository-wide reads and pairwise collision/readiness analysis from running for PR webhook events that should be cheaply skipped by public-surface rules.
• Preserve existing gate-only behavior where gate checks must still run even if no public output is configured.

Description

• Moved the cheap, network-free decidePublicSurface prelim skip checks to the top of maybePublishPrPublicSurface in src/queue/processors.ts so skipped events return before miner lookups and repo-wide reads.
• Only perform miner detection and the more expensive public-output flow when the prelim decision indicates a potential public output (comment, label, or check_run), while still allowing gate behavior to run when gateCheckMode is enabled.
• Added early returns to avoid calling listIssues, listPullRequests, listBountiesByRepo, and buildCollisionReport for skipped events.
• Extended test/unit/queue.test.ts to assert that when publicSurface is off there are no network fetches and no repo-wide issue/bounty reads before the skip audit is recorded.

Testing

• Ran npm run typecheck and git diff --check with no errors.
• Ran the unit tests for the queue processor with npm test -- --run test/unit/queue.test.ts, and the modified test suite passed (46 passed).
• The changes were validated by the added regression assertion that counts repo-wide DB reads and confirms none occur for a disabled public surface.

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	gittensory-ui	be8fbef	Commit Preview URL Branch Preview URL	Jun 05 2026, 08:47 PM

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Note

Gittensory Gate skipped

PR closed before full evaluation. No late first comment was created.

Signal	Result	Evidence	Action
Gate result	⚠️ Skipped	#432 is no longer open.	No action.

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