refactor: update Pi agent configuration and devShell

- Switch model provider from zai/glm-5.1 to minimax/MiniMax-M2.7
- Add coding rules for Nix language and standard concerns
- Add linting tools (statix, deadnix) to devShell
- Simplify devShell configuration
- Update AGENTS.md project rules

AGENTS.md

@@ -71,6 +71,123 @@ Personal NixOS configuration managing 6 hosts (4 servers, 2 desktops) using flak
 - **master**: Bleeding edge
 - **m3ta-nixpkgs**: Custom local overlay at `path:/home/m3tam3re/p/nix/nixpkgs`
 
+## CODING RULES
+
+This project uses coding rules from the AGENTS repository (`inputs.agents`) plus project-specific conventions.
+
+### Standard Rules (AGENTS repo)
+
+| Rule | Source | Purpose |
+|------|--------|---------|
+| `languages/nix.md` | AGENTS/rules/ | Nix language conventions, flake patterns |
+| `concerns/coding-style.md` | AGENTS/rules/ | General coding principles |
+| `concerns/naming.md` | AGENTS/rules/ | Naming conventions per language |
+| `concerns/documentation.md` | AGENTS/rules/ | Documentation standards |
+| `concerns/testing.md` | AGENTS/rules/ | Testing guidelines |
+| `concerns/git-workflow.md` | AGENTS/rules/ | Commit message format, branch naming |
+| `concerns/project-structure.md` | AGENTS/rules/ | Project layout conventions |
+
+### NixOS-Config Specific Rules
+
+#### Project Structure
+
+```
+nixos-config/
+├── flake.nix              # Entry point
+├── hosts/                 # Host-specific NixOS configs
+│   ├── common/            # Shared: ports, users, base config
+│   ├── m3-atlas/          # Server with Traefik hub
+│   ├── m3-helios/         # AdGuard DNS
+│   ├── m3-ares/           # Desktop (NVIDIA)
+│   └── m3-kratos/         # Desktop (AMD)
+├── home/                   # Home-manager configs
+│   ├── common/            # Shared home config
+│   ├── features/          # Feature modules (cli, desktop, coding)
+│   └── m3tam3re/          # User-specific configs
+├── modules/               # Custom NixOS/HM modules
+├── overlays/              # Package overlays
+├── pkgs/                  # Custom packages
+└── secrets/               # Agenix encrypted secrets
+```
+
+#### Naming Conventions
+
+| Type | Convention | Example |
+|------|------------|---------|
+| Hosts | mythological-names | `m3-atlas`, `m3-helios` |
+| Files | hyphen-case | `my-service.nix` |
+| Variables | camelCase | `portHelpers`, `serviceConfig` |
+| Options | m3ta.* | `config.m3ta.ports.get` |
+| Packages | lowercase-hyphen | `hyprpaper-random` |
+
+#### Nix Module Pattern
+
+```nix
+{ config, lib, pkgs, ... }:
+with lib; let
+  cfg = config.m3ta.myModule;
+in {
+  options.m3ta.myModule = {
+    enable = mkEnableOption "my module";
+  };
+
+  config = mkIf cfg.enable {
+    # Configuration here
+  };
+}
+```
+
+#### Anti-Patterns (Never Do)
+
+| Don't | Do Instead |
+|-------|------------|
+| Hardcode ports | `config.m3ta.ports.get "service"` |
+| Skip secrets.nix update | Add keys first, then `agenix -e` |
+| Containers outside web network | `--network=web --ip=10.89.0.N` |
+| Skip Traefik for public services | Configure dynamic config |
+| Bypass extraServices flags | Use feature flags properly |
+| Use `fetchTarball` | Use flake inputs |
+| Use `with pkgs;` in modules | Explicit `pkgs.package` |
+
+### Formatting & Linting
+
+```bash
+# Format (alejandra)
+nix fmt
+
+# Lint (statix, deadnix - only in dev shell)
+nix develop
+statix check .
+deadnix .
+
+# Validate flake
+nix flake check
+```
+
+### Commit Conventions
+
+Format: `<type>: <brief description>`
+
+Types: `feat`, `fix`, `docs`, `style`, `refactor`, `chore`
+
+Examples:
+- `feat: add new host m3-hermes`
+- `fix: resolve port conflict in mem0 module`
+- `docs: update AGENTS.md with new service`
+- `style: format nix files`
+- `refactor: simplify port management`
+- `chore: update nixpkgs inputs`
+
+### Tools in Dev Shell
+
+| Tool | Purpose |
+|------|---------|
+| `alejandra` | Nix code formatter |
+| `nixd` | Nix language server |
+| `statix` | Nix linter |
+| `deadnix` | Find dead code |
+| `agenix` | Secret management |
+
 ## COMMANDS
 ```bash
 # Build/deploy specific host

flake.lock

@@ -39,6 +39,22 @@
         "url": "https://code.m3ta.dev/m3tam3re/AGENTS"
       }
     },
+    "agents_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1776092721,
+        "narHash": "sha256-avV4Snqp0K57I9s8D61+GHlg9DYZFSIvjaS4d4RYpG8=",
+        "ref": "refs/heads/master",
+        "rev": "0ad41acb03eee0e22cba611b2171a3d3ee30cb10",
+        "revCount": 72,
+        "type": "git",
+        "url": "https://code.m3ta.dev/m3tam3re/AGENTS"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://code.m3ta.dev/m3tam3re/AGENTS"
+      }
+    },
     "base16-schemes": {
       "flake": false,
       "locked": {
@@ -412,11 +428,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1776784995,
+        "lastModified": 1776870400,
-        "narHash": "sha256-ikxb8cZGWHuZMs3xS471GVrpGA0xW1YFcIVOPTVkhBo=",
+        "narHash": "sha256-PleMddBk0Vp2iVsNVgqmL00u1xX1cFx8FVYOEOur/1Q=",
         "owner": "numtide",
         "repo": "llm-agents.nix",
-        "rev": "e3d40d2cd66a4f8052e4224ec027c6896a455847",
+        "rev": "bd0e8933483e6e1b33bd83c5e844926b33db0f75",
         "type": "github"
       },
       "original": {
@@ -427,6 +443,7 @@
     },
     "m3ta-nixpkgs": {
       "inputs": {
+        "agents": "agents_2",
         "basecamp": "basecamp",
         "nixpkgs": "nixpkgs_6",
         "nixpkgs-master": "nixpkgs-master",
@@ -434,8 +451,8 @@
         "openspec": "openspec"
       },
       "locked": {
-        "lastModified": 1776787894,
+        "lastModified": 1776872602,
-        "narHash": "sha256-aDi7tWtiBdUBLhH4ULHZpcUTq3/w/Rad6dA/uLHu+7Q=",
+        "narHash": "sha256-v1rGBLuanysy7z0BBgId1DYknIovLF5VI6xbT4abjTI=",
         "path": "/home/m3tam3re/p/NIX/nixpkgs",
         "type": "path"
       },

flake.nix

@@ -178,7 +178,7 @@
         config.allowUnfree = true; # Allow unfree packages in devShell
       };
       m3taLib = m3ta-nixpkgs.lib.x86_64-linux;
-      rules = m3taLib.opencode-rules.mkOpencodeRules {
+      rules = m3taLib.coding-rules.mkCodingRules {
         inherit agents;
         languages = ["nix"];
       };
@@ -189,37 +189,10 @@
           nixd
           openssh
           agenix.packages.${system}.default
+          statix
+          deadnix
         ];
-        inherit (rules) instructions;
+        inherit (rules) instructions shellHook;
-        shellHook = ''
-          ${rules.shellHook}
-          echo "======================================"
-          echo "🧑‍🚀 Nix Development Shell with Opencode Rules"
-          echo "======================================"
-          echo ""
-          echo "Active rules:"
-          echo "  - Nix language conventions"
-          echo "  - Coding-style best practices"
-          echo "  - Naming conventions"
-          echo "  - Documentation standards"
-          echo "  - Testing guidelines"
-          echo "  - Git workflow patterns"
-          echo "  - Project structure guidelines"
-          echo ""
-          echo "Generated files:"
-          echo "  - .opencode-rules/ (symlink to AGENTS repo)"
-          echo "  - opencode.json (configuration file)"
-          echo ""
-          echo "Useful commands:"
-          echo "  - cat opencode.json        View rules configuration"
-          echo "  - ls .opencode-rules/      Browse available rules"
-          echo "  - nix develop              Re-enter this shell"
-          echo ""
-          echo "Remember to add to .gitignore:"
-          echo "  .opencode-rules"
-          echo "  opencode.json"
-          echo "======================================"
-        '';
       };
     });
   };

home/features/coding/pi.nix

@@ -4,8 +4,30 @@
     agentsInput = inputs.agents;
 
     modelOverrides = {
-      chiron = "zai/glm-5.1";
+      chiron = "minimax/MiniMax-M2.7";
-      chiron-forge = "zai/glm-5.1";
+      chiron-forge = "minimax/MiniMax-M2.7";
+    };
+
+    # Coding rules for Pi agent
+    # Rules sourced from AGENTS repo
+    codingRules = {
+      # Language-specific rules
+      languages = [
+        "nix" # Nix language conventions
+      ];
+
+      # Standard concerns from AGENTS repo
+      concerns = [
+        "coding-style" # General coding principles
+        "naming" # Naming conventions (camelCase, snake_case, etc.)
+        "documentation" # Documentation standards
+        "testing" # Testing guidelines (Arrange-Act-Assert)
+        "git-workflow" # Conventional commits, branch naming
+        "project-structure" # Project layout conventions
+      ];
+
+      # No framework-specific rules for NixOS config
+      frameworks = [];
     };
 
     settings = {
@@ -20,12 +42,13 @@
         "npm:pi-powerline-footer"
         "npm:pi-markdown-preview"
         "npm:pi-gsd"
-        "npm:pi-tool-view"
+        "npm:pi-tool-display"
         "npm:pi-agent-browser-native"
+        "git:github.com/hk-vk/pi-connect"
       ];
 
-      defaultProvider = "zai";
+      defaultProvider = "minimax";
-      defaultModel = "glm-5.1";
+      defaultModel = "MiniMax-M2.7";
       defaultThinkingLevel = "high";
     };