chore(deps): consolidate npm deps — @connectrpc/connect-node 1.7.0→2.1.2, @cursor/sdk 1.0.19→1.0.20, @opencode-ai/plugin 1.17.7→1.17.9, @opencode-ai/sdk 1.17.7→1.17.9, @types/node 25.9.3→26.0.0 (#44)

Consolidates Dependabot PRs #38 #39 #40 #41 into a single update.
- #38: @opencode-ai/sdk 1.17.7→1.17.9, @types/node 25.9.3→26.0.0 (major)
- #39: @connectrpc/connect-node 1.7.0→2.1.2 (major)
- #40: @opencode-ai/plugin 1.17.7→1.17.9
- #41: @cursor/sdk 1.0.19→1.0.20

Verified: typecheck clean, 185/185 tests pass.

Author: justin-carper

package-lock.json

@@ -55,9 +55,9 @@
     "prepublishOnly": "npm run typecheck && npm test && npm run build"
   },
   "dependencies": {
-    "@connectrpc/connect-node": "^1.6.1",
-    "@cursor/sdk": "^1.0.18",
-    "@opencode-ai/plugin": "^1.17.7"
+    "@connectrpc/connect-node": "^2.1.2",
+    "@cursor/sdk": "^1.0.20",
+    "@opencode-ai/plugin": "^1.17.9"
   },
   "overrides": {
     "undici": "^6.24.0",
@@ -69,8 +69,8 @@
   },
   "devDependencies": {
     "@ai-sdk/provider": "^3.0.10",
-    "@opencode-ai/sdk": "^1.17.1",
-    "@types/node": "^25.9.2",
+    "@opencode-ai/sdk": "^1.17.9",
+    "@types/node": "^26.0.0",
     "tsup": "^8.5.1",
     "typescript": "^6.0.3",
     "vitest": "^4.1.8"