chore(release): release 0.4.0

[github-actions]

🤖 I have created a release beep boop

0.4.0 (2026-08-17)

Features

• codex: install guided workflows for VidXP setup, video ingestion, evidence search, and connection to the selected local installation (5c6552e)
• desktop: set up an existing installation or create a Desktop-managed one, choose its features, verify readiness, and control local services from the app (8e779a3)
• desktop: ship signed, notarized, and stapled macOS installers that launch without unsigned-app Gatekeeper warnings (4074332)
• mcp: upload or import videos, follow ingestion and indexing progress, and receive visual boards, keyframes, and clips with search results (9a5a911)
• media: show pending, ready, and failed imports across CLI, API, and MCP instead of hiding failed ingestion behind generic errors (aa1f61e)
• networking: share browser, API, and MCP services on trusted networks; API and MCP use bearer-token authentication while browser sharing remains unauthenticated (37f3a84)
• search: find actions and events across several seconds of video with Action search; enabling it downloads about 0.93 GiB and requires indexing videos with Action search selected (8922823)

Bug Fixes

• models: resume supported interrupted downloads, verify cached files against pinned checksums, and return actionable preparation errors (62cb7b1, 69c5e51)

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