chore: sync upstream through context-efficient ACP sessions

.env.example

@@ -102,11 +102,10 @@ BUZZ_S3_ADDRESSING_STYLE=path
 # BUZZ_MEDIA_MAX_CONCURRENT_UPLOADS=8
 # BUZZ_MEDIA_MAX_CONCURRENT_UPLOADS_PER_PUBKEY=2
 # BUZZ_MEDIA_UPLOADS_PER_MINUTE=30
-# Require Blossom t=get auth and relay membership for GET/HEAD /media/*.
-# Keep off until desktop/mobile/CLI clients that attach media read auth are deployed.
-# BUZZ_REQUIRE_MEDIA_GET_AUTH=false
-# Legacy alias accepted by the relay while rollout docs catch up:
-# BUZZ_REQUIRE_MEDIA_READ_AUTH=false
+# GET/HEAD /media/* always require Blossom t=get auth and relay membership.
+# BUZZ_REQUIRE_MEDIA_GET_AUTH and BUZZ_REQUIRE_MEDIA_READ_AUTH are no longer
+# read; setting either (including to false) changes nothing and the relay warns
+# about it at startup.
 
 # -----------------------------------------------------------------------------
 # Ephemeral Channels (TTL testing)

.release/desktop-candidate.json

@@ -1,8 +1,10 @@
 {
-  "schema": 1,
-  "version": "0.5.4",
-  "base_sha": "6de85fe31d781122756aecf954bae7d357a56b9a",
-  "previous_tag": "desktop-v0.5.3",
-  "tag": "desktop-v0.5.4",
-  "commit_count": 40
+  "schema": 2,
+  "version": "0.5.8",
+  "base_sha": "6a17d035f79ad582ca3f4f3cdc38d376f2c4087f",
+  "previous_tag": "desktop-v0.5.7",
+  "previous_base_sha": "74b913cff8512c015dc6f1a7473b253fa803f954",
+  "previous_merge_sha": "13c9e900c84cac1e2c8eeb7551bd1510ecb544d3",
+  "tag": "desktop-v0.5.8",
+  "commit_count": 4
 }

AGENTS.md

@@ -100,10 +100,11 @@ Run `just test` for integration tests if you touched `buzz-relay`,
 formatting via `stage_fixed`. Pre-commit runs fix variants in parallel (Rust
 fmt, Tauri Rust fmt, desktop biome fix, web biome fix, mobile dart format).
 Auto-fixable issues are fixed and re-staged; unfixable lint issues block the
-commit. **Pre-push hooks** run clippy (workspace + Tauri) and fast unit tests
-in parallel (Rust, desktop JS, Tauri Rust, mobile Flutter) — no overlap with
-pre-commit. Builds are CI-only. Run `just fix-all` to auto-fix all formatting
-in one shot. Run `just ci` for the full local gate. Run `just hooks` to
+commit. **Pre-push hooks** run clippy (workspace + Tauri), desktop TypeScript
+typechecking (`tsc --noEmit`), and fast unit tests in parallel (Rust, desktop
+JS, Tauri Rust, mobile Flutter) — no overlap with pre-commit. Builds are
+CI-only. Run `just fix-all` to auto-fix all formatting in one shot. Run
+`just ci` for the full local gate. Run `just hooks` to
 re-install hooks after env changes. Before agents run Git or hooks, activate the
 repo's Hermit environment (`. ./bin/activate-hermit`); do not rewrite hook
 commands to compensate for an unconfigured shell `PATH`.
@@ -507,6 +508,7 @@ reconnects preserve pending avatar verification work):
 - `resetRenderScopedReactionHydration()` — reaction hydration cache
 - `clearSearchHitEventCache()` — search result event cache
 - `clearMarkdownNodeCache()` — markdown parse-node cache
+- `resetLinkPreviewTitleCache()` — link preview title cache (Buzz entity titles come from relay events)
 
 **If you add a new module-level cache, Map, or class instance that holds
 community-scoped data, you must add its reset to `resetCommunityState()`.**