core: add Node.js runtime support

Enable running opencode on Node.js by adding platform-specific database adapters and replacing Bun-specific shell execution with cross-platform Process utility.

packages/opencode/package.json

@@ -25,9 +25,15 @@
   "exports": {
     "./*": "./src/*.ts"
   },
+  "imports": {
+    "#db": {
+      "bun": "./src/storage/db.bun.ts",
+      "node": "./src/storage/db.node.ts",
+      "default": "./src/storage/db.bun.ts"
+    }
+  },
   "devDependencies": {
     "@babel/core": "7.28.4",
-    "@effect/language-service": "0.79.0",
     "@octokit/webhooks-types": "7.6.1",
     "@opencode-ai/script": "workspace:*",
     "@parcel/watcher-darwin-arm64": "2.5.1",
@@ -48,8 +54,7 @@
     "@types/which": "3.0.4",
     "@types/yargs": "17.0.33",
     "@typescript/native-preview": "catalog:",
-    "drizzle-kit": "1.0.0-beta.16-ea816b6",
-    "drizzle-orm": "1.0.0-beta.16-ea816b6",
+    "drizzle-kit": "catalog:",
     "typescript": "catalog:",
     "vscode-languageserver-types": "3.17.5",
     "why-is-node-running": "3.2.2",
@@ -94,8 +99,8 @@
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
     "@openrouter/ai-sdk-provider": "1.5.4",
-    "@opentui/core": "0.1.87",
-    "@opentui/solid": "0.1.87",
+    "@opentui/core": "0.1.86",
+    "@opentui/solid": "0.1.86",
     "@parcel/watcher": "2.5.1",
     "@pierre/diffs": "catalog:",
     "@solid-primitives/event-bus": "1.1.2",
@@ -110,8 +115,7 @@
     "clipboardy": "4.0.0",
     "decimal.js": "10.5.0",
     "diff": "catalog:",
-    "drizzle-orm": "1.0.0-beta.16-ea816b6",
-    "effect": "catalog:",
+    "drizzle-orm": "catalog:",
     "fuzzysort": "3.1.0",
     "glob": "13.0.5",
     "google-auth-library": "10.5.0",