Merge origin/master into worktree/remove-sdk-project-toolchain

# Conflicts:
#	THIRD_PARTY_NOTICES.md

pnpm-lock.yaml

@@ -204,6 +204,9 @@ importers:
       '@deepseek-ai/dsh-pwsh-sandbox':
         specifier: workspace:^
         version: link:../../packages/bash/pwsh-sandbox
+      '@deepseek-ai/dsh-session-projection':
+        specifier: workspace:^
+        version: link:../../packages/session/session-projection
       '@deepseek-ai/dsh-session-reference':
         specifier: workspace:^
         version: link:../../packages/context/session-reference
@@ -380,6 +383,9 @@ importers:
       '@vitejs/plugin-react':
         specifier: ^4.0.0
         version: 4.7.0(vite@6.4.3(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0)(tsx@4.22.4)(yaml@2.9.0))
+      fflate:
+        specifier: ^0.8.2
+        version: 0.8.3
       playwright:
         specifier: ^1.49.0
         version: 1.61.1
@@ -2853,6 +2859,9 @@ importers:
         specifier: ^9.0.0
         version: 9.0.0
     devDependencies:
+      '@deepseek-ai/dsh-client-locale':
+        specifier: workspace:^
+        version: link:../locale
       '@deepseek-ai/cordis':
         specifier: workspace:^
         version: link:../../../vendor/cordis
@@ -4486,6 +4495,9 @@ importers:
       '@deepseek-ai/dsh-workspace':
         specifier: workspace:^
         version: link:../../workspace/workspace
+      fflate:
+        specifier: ^0.8.2
+        version: 0.8.3
       '@deepseek-ai/schemastery':
         specifier: link:../../../vendor/schemastery
         version: link:../../../vendor/schemastery
@@ -11574,6 +11586,9 @@ packages:
     resolution: {integrity: sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==}
     engines: {node: ^12.20 || >= 14.13}
 
+  fflate@0.8.3:
+    resolution: {integrity: sha512-tbZNuJrLwGUp3zshBtdy4W+ORxZuIh8a5ilyIEQDC5rY1f3U20JMry0Ll3WBzU58EZKsEuJFXhb5gwv8CsPvgA==}
+
   figures@6.1.0:
     resolution: {integrity: sha512-d+l3qxjSesT4V7v2fh+QnmFnUWv9lSpjarhShNTgBOfA0ttejbQUAlHLitbjkoRiDulW0OPoQPYIGhIC8ohejg==}
     engines: {node: '>=18'}
@@ -16815,6 +16830,8 @@ snapshots:
       node-domexception: 1.0.0
       web-streams-polyfill: 3.3.3
 
+  fflate@0.8.3: {}
+
   figures@6.1.0:
     dependencies:
       is-unicode-supported: 2.1.0