Prepare v0.2.5 changelog and announcement

apps/marketing/src/content/changelog/v0.2.5.md

@@ -0,0 +1,55 @@
+---
+version: 0.2.5
+date: 2026-07-26
+title: External thread import, source control, and provider reliability
+summary: This release adds external thread import, Git stash support, inline provider authentication retries, and Claude session reliability improvements.
+githubRelease: https://github.com/Threadlines/threadlines/releases/tag/v0.2.5
+highlights:
+  - title: External thread import and richer source-control UX
+    description: You can now import and resume external provider threads, with improved source-control integration and repository context display.
+    evidence:
+      - 739b31c6
+  - title: Stash support in source control
+    description: Git stash operations (list, create, apply, drop) are available in the UI and API.
+    evidence:
+      - 9f0c3185
+  - title: Inline retry for failed provider authentications
+    description: Failed provider authentications can be retried inline, preserving your chat transcript.
+    evidence:
+      - 0d834cbf
+      - 9e94c8ad
+  - title: Claude model metadata and session reliability improvements
+    description: Claude model metadata and session persistence are surfaced in the UI, with improved update and rollback handling.
+    evidence:
+      - def07158
+      - defac24c
+alsoImproved:
+  - description: Recent threads now prioritize active sessions for easier access.
+    evidence:
+      - 2c812d3e
+  - description: Draft chat empty states are clearer and show recent threads and prompts.
+    evidence:
+      - 9a3543a2
+      - 1658a131
+  - description: Settings navigation and provider usage dashboards are more readable and responsive.
+    evidence:
+      - b0a0c859
+  - description: Changelog and release notes pages have a denser, more navigable layout.
+    evidence:
+      - 2ea2c36f
+      - 3373a213
+  - description: Dependency and compatibility updates for improved reliability.
+    evidence:
+      - bdff69e8
+      - 79f43e3b
+      - 2ea2c36f
+social: |-
+  Threadlines v0.2.5 is out 🧵
+
+  • Import and resume external threads
+  • Git stash actions in source control
+  • Retry provider sign-in inline
+  • Better Claude session reliability
+
+  Release notes: https://github.com/Threadlines/threadlines/releases/tag/v0.2.5
+---