Remove unused Parsedown.php (replaced by league/commonmark in Phase 1); update phpstan baseline

TODO.md

@@ -10,7 +10,7 @@
 - [x] Phase 1: Replace Parsedown with league/commonmark (4 call sites)
 - [x] Phase 2: Replace PeerTubeService HTTP client with Guzzle
 - [x] Phase 3: Replace SmtpRelay SMTP socket with PHPMailer
-- [ ] Phase 4 (optional): Replace Crypto with defuse/php-encryption
+- [-] Phase 4: Crypto → defuse/php-encryption — DEFERRED (current AES-256-GCM impl is correct; migration risk > reward)
 
 ## justfile: combine phpstan + cs-check + cs-fix into lint-php
 - [x] Merge phpstan, cs-check, cs-fix into single lint-php recipe with backward-compat aliases

app/storage/cache/rate_limit/ad921d60486366258809553a3db49a4a.json

@@ -1 +1 @@
-[1779232645]
+[1779232892]

phpstan-baseline.neon

@@ -12,18 +12,6 @@ parameters:
 			count: 1
 			path: app/src/Dispatcher.php
 
-		-
-			message: '#^Unsafe usage of new static\(\)\.$#'
-			identifier: new.static
-			count: 1
-			path: app/src/Parsedown.php
-
-		-
-			message: '#^Variable \$text might not be defined\.$#'
-			identifier: variable.undefined
-			count: 2
-			path: app/src/Parsedown.php
-
 		-
 			message: '#^Offset ''channel_name'' on array\{instance_url\: string, username\: string, password\: string, channel_name\: string, privacy\: int, peertube_video_label\: string, peertube_audio_label\: string\} on left side of \?\? always exists and is not nullable\.$#'
 			identifier: nullCoalesce.offset