v0.5.0: Binary-Free Mode - No OpenCode binary required

✨ Major Features:
- Native session management without OpenCode binary
- Provider routing: OpenCode Zen (free), Qwen OAuth, Z.AI
- Streaming chat with tool execution loop
- Mode detection API (/api/meta/mode)
- MCP integration fix (resolved infinite loading)
- NomadArch Native option in UI with comparison info

🆓 Free Models (No API Key):
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

📦 New Files:
- session-store.ts: Native session persistence
- native-sessions.ts: REST API for sessions
- lite-mode.ts: UI mode detection client
- native-sessions.ts (UI): SolidJS store

🔧 Updated:
- All installers: Optional binary download
- All launchers: Mode detection display
- Binary selector: Added NomadArch Native option
- README: Binary-Free Mode documentation

package-lock.json

@@ -9608,6 +9608,15 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/ulid": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/ulid/-/ulid-3.0.2.tgz",
+      "integrity": "sha512-yu26mwteFYzBAot7KVMqFGCVpsF6g8wXfJzQUHvu1no3+rRRSFcSV2nKeYvNPLD2J4b08jYBDhHUjeH0ygIl9w==",
+      "license": "MIT",
+      "bin": {
+        "ulid": "dist/cli.js"
+      }
+    },
     "node_modules/undici": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/undici/-/undici-6.22.0.tgz",
@@ -10604,6 +10613,7 @@
         "fastify": "^4.28.1",
         "fuzzysort": "^2.0.4",
         "pino": "^9.4.0",
+        "ulid": "^3.0.2",
         "undici": "^6.19.8",
         "zod": "^3.23.8"
       },