v1.3.0

feat: drag-and-drop media upload onto the Campaign Hub (#25)

* docs: design spec for hub media drag-and-drop upload

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* docs: implementation plan for hub media drag-and-drop upload

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* feat: pure routing + file classification for hub media drops

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* refactor: extract fileMediaToTimepoint + queueMediaTask from shared-media capture

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* feat: GM relay socket for dropped-media gallery filings

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* feat: FilePicker upload helper for hub media drops

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix: tolerate already-exists races when creating the media upload directory

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* feat: drag-and-drop media upload onto the Campaign Hub

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* test: e2e coverage for hub media drag-and-drop upload

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* test: strengthen hub media drop e2e assertions

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* docs: comments guarding the media predicate duplication and relay trust model

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* chore: bump version to 1.3.0

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

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Co-authored-by: Claude Fable 5 <noreply@anthropic.com>