chore(tests): remove 12 tests orphaned by the Phase A feature removal (playground suite: 87 failures -> 61)

[dcccrypto]

What

Phase A (7f5b5121, "cut marketing cruft, lock devnet, decouple Supabase") deliberately removed the waitlist / launch / guide / bugs / ideas / applications routes and lib/waitlist/, but left 12 test files behind. Every one imports source that no longer exists, so they fail at import/collection time and assert nothing.

test file(s)	imports (deleted)
bugs-proxy, bugs-trusted-client-ip	app/api/bugs/route
launch-invalid-json-guard	app/api/launch/route
trusted-ip-rate-limit-headers	app/api/ideas, app/api/applications
waitlist-signup-{bot-ua,ip,shape}	app/api/waitlist/signup/route
Guide	app/guide/page
waitlist-{client-ip,disposable-domains,referral-code,turnstile}	lib/waitlist/*

The removal was explicit — the Phase A commit body lists each of these paths under "Remove API routes: applications, ideas, launch, bugs … Remove lib/waitlist/". Only the tests were missed.

Why now

These are not flaky or newly broken — they have been failing since Phase A. They are invisible because no test job actually gates playground (see #2447: the Merge Gate's dependencies are permanently skipped and the gate passes anyway).

Verification (measured, not asserted)

Full vitest run on app/:

state	failed tests	failed files
playground (fbfaec8) alone	87	27
+ this PR	61	15
+ this PR + open test-repair PRs (#2451 #2452 #2453 #2455 #2456)	0	0 (2803 passed)

The 61 that remain after this PR are exactly the failures those open PRs repair; with all of them merged the playground suite is fully green.

Risk

None to product code — this deletes only test files whose module-under-test does not exist. They provide zero coverage today (they cannot import). If any of these features returns, its tests return with it via git history.

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
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percolator-playground	Ready	Preview, Comment	Jul 24, 2026 4:45pm

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[dcccrypto]

Closing as superseded — this landed upstream independently.

The test-maintenance batch merged into playground (now 8bab3ced) fixed the 12 tests orphaned by the Phase A feature removal in 7817632 and 5d6f715.

Verified on the current base rather than assumed:

• I ran the full suite on 8bab3ced alone. It is down to 14 failures / 4 files, and none of them are in this PR's target files — they pass on the base as-is.
• Re-checked specifically for this PR's scope: nothing left for it to fix.
• This branch now conflicts with playground for the same reason: upstream edited the very files it touches.

Rebasing it would produce a no-op at best, so closing rather than leaving a stale PR in the queue.

For what it's worth the remaining 14 failures are covered by the three PRs I'm keeping open: #2451 (useWallet + ConnectButton, 7), #2459 (Header nav, 4), #2458 (Portfolio PORT-007, 1). With those three stacked the suite is 2823 passed, 0 failed.