chore: bump @opencode-ai/sdk to ^1.17.7 and update changelogs

Upgraded @opencode-ai/sdk dependency from ^1.17.0 to ^1.17.7 across all packages
Added unreleased changelog entries for VSCode startup parity, mobile tool card fix, and files workspace directory fix
Refined VSCode changelog to remove inaccurate project-level actions note

packages/web/package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@clack/prompts": "^1.1.0",
     "@octokit/rest": "^22.0.1",
-    "@opencode-ai/sdk": "^1.17.0",
+    "@opencode-ai/sdk": "^1.17.7",
     "@simplewebauthn/server": "13.3.0",
     "adm-zip": "^0.5.16",
     "better-sqlite3": "^12.10.0",