feat(opencode): integrate rules into default devShell

- Switch agents input to local path for development
- Add default devShell with Opencode rules integration
- Update .gitignore to exclude generated Opencode files
- Upgrade opencode to v1.2.6

flake.lock

@@ -24,17 +24,14 @@
     "agents": {
       "flake": false,
       "locked": {
-        "lastModified": 1771054446,
-        "narHash": "sha256-0IispDJYxOtWn1usZh6AR4nF3ouCscXDxBzgwAVjhx0=",
-        "ref": "refs/heads/master",
-        "rev": "923e2f1eaad96f440bbb76d07bb66ac4f5b4460a",
-        "revCount": 55,
-        "type": "git",
-        "url": "https://code.m3ta.dev/m3tam3re/AGENTS"
+        "lastModified": 1771353501,
+        "narHash": "sha256-M7m6g10+1cMmJKp41QWy1pMsD1OZUiHjMGIsICvpE1A=",
+        "path": "/home/m3tam3re/p/AI/AGENTS",
+        "type": "path"
       },
       "original": {
-        "type": "git",
-        "url": "https://code.m3ta.dev/m3tam3re/AGENTS"
+        "path": "/home/m3tam3re/p/AI/AGENTS",
+        "type": "path"
       }
     },
     "base16-schemes": {
@@ -245,11 +242,11 @@
         "opencode": "opencode"
       },
       "locked": {
-        "lastModified": 1771121922,
-        "narHash": "sha256-WjlMXMFH5FvJzDiEkw5FnIL9pJ/qdY271hRPZ7nU24Q=",
+        "lastModified": 1771351183,
+        "narHash": "sha256-dIzUuSreb5AAp0bagYAHOPupJnAY6HL+fwdzchp7roY=",
         "ref": "refs/heads/master",
-        "rev": "6ebd7b94d50d1526a697f40ac0ebf44542b026fe",
-        "revCount": 112,
+        "rev": "d43bb33dcb4ae358dd398166a377f00d96e1f03b",
+        "revCount": 118,
         "type": "git",
         "url": "https://code.m3ta.dev/m3tam3re/nixpkgs"
       },
@@ -547,16 +544,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1771120533,
-        "narHash": "sha256-FA9RRo4wH+FHXWIm3hm0oPouQ+VKral+Mqbk4g3dPfo=",
+        "lastModified": 1771271829,
+        "narHash": "sha256-43vPMyO7DsAgKrh0Wmt7jLDYCWUsaj30nBITreyYgX8=",
         "owner": "anomalyco",
         "repo": "opencode",
-        "rev": "d1482e148399bfaf808674549199f5f4aa69a22d",
+        "rev": "d8c25bfeb44771cc3a3ba17bf8de6ad2add9de2c",
         "type": "github"
       },
       "original": {
         "owner": "anomalyco",
-        "ref": "v1.2.4",
+        "ref": "v1.2.6",
         "repo": "opencode",
         "type": "github"
       }