docs: add design spec for unified sticker command

Co-Authored-By: Claude Opus 4.7 <[email protected]>
2026-07-15 11:09:52 +07:00
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+# Unified Sticker Maker Design
+
+## 1. Boot Exif
+Generates temp/default.exif on boot using STICKER_NAME and STICKER_PUBLISHER environment variables if missing.
+
+## 2. Parameter Parsing
+- Empty: uses default.exif
+- 'name': Custom exif with given name
+- 'name|publisher': Custom exif with parsed name and publisher.
+
+## 3. Media Capabilities
+Detects Images, Video, and existing Stickers via Message or QuotedMessage. Converts with webpmux and uploads.
+
+## 4. Cleanup
+Custom exifs are deleted on action deferred. Default exif persists.
+