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.claude/hooks/caveman-config.js

@@ -9,31 +9,25 @@
 //      - %APPDATA%\caveman\config.json (Windows fallback)
 //   3. 'full'
 
-const fs = require('fs');
-const path = require('path');
-const os = require('os');
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
 
-const VALID_MODES = [
-  'off', 'lite', 'full', 'ultra',
-  'wenyan-lite', 'wenyan', 'wenyan-full', 'wenyan-ultra',
-  'commit', 'review', 'compress'
-];
+// biome-ignore format: the whole mode list reads best on one line
+const VALID_MODES = ["off", "lite", "full", "ultra", "wenyan-lite", "wenyan", "wenyan-full", "wenyan-ultra", "commit", "review", "compress"];
 
 function getConfigDir() {
   if (process.env.XDG_CONFIG_HOME) {
-    return path.join(process.env.XDG_CONFIG_HOME, 'caveman');
+    return path.join(process.env.XDG_CONFIG_HOME, "caveman");
   }
-  if (process.platform === 'win32') {
-    return path.join(
-      process.env.APPDATA || path.join(os.homedir(), 'AppData', 'Roaming'),
-      'caveman'
-    );
+  if (process.platform === "win32") {
+    return path.join(process.env.APPDATA || path.join(os.homedir(), "AppData", "Roaming"), "caveman");
   }
-  return path.join(os.homedir(), '.config', 'caveman');
+  return path.join(os.homedir(), ".config", "caveman");
 }
 
 function getConfigPath() {
-  return path.join(getConfigDir(), 'config.json');
+  return path.join(getConfigDir(), "config.json");
 }
 
 function getDefaultMode() {
@@ -46,7 +40,7 @@ function getDefaultMode() {
   // 2. Config file
   try {
     const configPath = getConfigPath();
-    const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
+    const config = JSON.parse(fs.readFileSync(configPath, "utf8"));
     if (config.defaultMode && VALID_MODES.includes(config.defaultMode.toLowerCase())) {
       return config.defaultMode.toLowerCase();
     }
@@ -55,7 +49,7 @@ function getDefaultMode() {
   }
 
   // 3. Default
-  return 'full';
+  return "full";
 }
 
 // Symlink-safe flag file write.
@@ -86,17 +80,21 @@ function safeWriteFlag(flagPath, content) {
     try {
       if (fs.lstatSync(flagPath).isSymbolicLink()) return;
     } catch (e) {
-      if (e.code !== 'ENOENT') return;
+      if (e.code !== "ENOENT") return;
     }
 
     const tempPath = path.join(flagDir, `.caveman-active.${process.pid}.${Date.now()}`);
-    const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === 'number' ? fs.constants.O_NOFOLLOW : 0;
+    const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === "number" ? fs.constants.O_NOFOLLOW : 0;
     const flags = fs.constants.O_WRONLY | fs.constants.O_CREAT | fs.constants.O_EXCL | O_NOFOLLOW;
     let fd;
     try {
       fd = fs.openSync(tempPath, flags, 0o600);
       fs.writeSync(fd, String(content));
-      try { fs.fchmodSync(fd, 0o600); } catch (e) { /* best-effort on Windows */ }
+      try {
+        fs.fchmodSync(fd, 0o600);
+      } catch (e) {
+        /* best-effort on Windows */
+      }
     } finally {
       if (fd !== undefined) fs.closeSync(fd);
     }
@@ -130,15 +128,15 @@ function readFlag(flagPath) {
     if (st.isSymbolicLink() || !st.isFile()) return null;
     if (st.size > MAX_FLAG_BYTES) return null;
 
-    const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === 'number' ? fs.constants.O_NOFOLLOW : 0;
+    const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === "number" ? fs.constants.O_NOFOLLOW : 0;
     const flags = fs.constants.O_RDONLY | O_NOFOLLOW;
     let fd;
     let out;
     try {
       fd = fs.openSync(flagPath, flags);
       const buf = Buffer.alloc(MAX_FLAG_BYTES);
       const n = fs.readSync(fd, buf, 0, MAX_FLAG_BYTES, 0);
-      out = buf.slice(0, n).toString('utf8');
+      out = buf.slice(0, n).toString("utf8");
     } finally {
       if (fd !== undefined) fs.closeSync(fd);
     }

.claude/hooks/caveman-mode-tracker.js

@@ -2,69 +2,79 @@
 // caveman — UserPromptSubmit hook to track which caveman mode is active
 // Inspects user input for /caveman commands and writes mode to flag file
 
-const fs = require('fs');
-const path = require('path');
-const os = require('os');
-const { getDefaultMode, safeWriteFlag, readFlag } = require('./caveman-config');
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const { getDefaultMode, safeWriteFlag, readFlag } = require("./caveman-config");
 
-const claudeDir = path.join(process.env.PROJECT_ROOT_DIR || os.homedir(), '.claude');
-const flagPath = path.join(claudeDir, '.caveman-active');
+const claudeDir = path.join(process.env.PROJECT_ROOT_DIR || os.homedir(), ".claude");
+const flagPath = path.join(claudeDir, ".caveman-active");
 
-let input = '';
-process.stdin.on('data', chunk => { input += chunk; });
-process.stdin.on('end', () => {
+let input = "";
+process.stdin.on("data", (chunk) => {
+  input += chunk;
+});
+process.stdin.on("end", () => {
   try {
     const data = JSON.parse(input);
-    const prompt = (data.prompt || '').trim().toLowerCase();
+    const prompt = (data.prompt || "").trim().toLowerCase();
 
     // Natural language activation (e.g. "activate caveman", "turn on caveman mode",
     // "talk like caveman"). README tells users they can say these, but the hook
     // only matched /caveman commands — flag file and statusline stayed out of sync.
-    if (/\b(activate|enable|turn on|start|talk like)\b.*\bcaveman\b/i.test(prompt) ||
-        /\bcaveman\b.*\b(mode|activate|enable|turn on|start)\b/i.test(prompt)) {
+    if (
+      /\b(activate|enable|turn on|start|talk like)\b.*\bcaveman\b/i.test(prompt) ||
+      /\bcaveman\b.*\b(mode|activate|enable|turn on|start)\b/i.test(prompt)
+    ) {
       if (!/\b(stop|disable|turn off|deactivate)\b/i.test(prompt)) {
         const mode = getDefaultMode();
-        if (mode !== 'off') {
+        if (mode !== "off") {
           safeWriteFlag(flagPath, mode);
         }
       }
     }
 
     // Match /caveman commands
-    if (prompt.startsWith('/caveman')) {
+    if (prompt.startsWith("/caveman")) {
       const parts = prompt.split(/\s+/);
       const cmd = parts[0]; // /caveman, /caveman-commit, /caveman-review, etc.
-      const arg = parts[1] || '';
+      const arg = parts[1] || "";
 
       let mode = null;
 
-      if (cmd === '/caveman-commit') {
-        mode = 'commit';
-      } else if (cmd === '/caveman-review') {
-        mode = 'review';
-      } else if (cmd === '/caveman-compress' || cmd === '/caveman:caveman-compress') {
-        mode = 'compress';
-      } else if (cmd === '/caveman' || cmd === '/caveman:caveman') {
-        if (arg === 'lite') mode = 'lite';
-        else if (arg === 'ultra') mode = 'ultra';
-        else if (arg === 'wenyan-lite') mode = 'wenyan-lite';
-        else if (arg === 'wenyan' || arg === 'wenyan-full') mode = 'wenyan';
-        else if (arg === 'wenyan-ultra') mode = 'wenyan-ultra';
+      if (cmd === "/caveman-commit") {
+        mode = "commit";
+      } else if (cmd === "/caveman-review") {
+        mode = "review";
+      } else if (cmd === "/caveman-compress" || cmd === "/caveman:caveman-compress") {
+        mode = "compress";
+      } else if (cmd === "/caveman" || cmd === "/caveman:caveman") {
+        if (arg === "lite") mode = "lite";
+        else if (arg === "ultra") mode = "ultra";
+        else if (arg === "wenyan-lite") mode = "wenyan-lite";
+        else if (arg === "wenyan" || arg === "wenyan-full") mode = "wenyan";
+        else if (arg === "wenyan-ultra") mode = "wenyan-ultra";
         else mode = getDefaultMode();
       }
 
-      if (mode && mode !== 'off') {
+      if (mode && mode !== "off") {
         safeWriteFlag(flagPath, mode);
-      } else if (mode === 'off') {
-        try { fs.unlinkSync(flagPath); } catch (e) {}
+      } else if (mode === "off") {
+        try {
+          fs.unlinkSync(flagPath);
+        } catch (e) {}
       }
     }
 
     // Detect deactivation — natural language and slash commands
-    if (/\b(stop|disable|deactivate|turn off)\b.*\bcaveman\b/i.test(prompt) ||
-        /\bcaveman\b.*\b(stop|disable|deactivate|turn off)\b/i.test(prompt) ||
-        /\bnormal mode\b/i.test(prompt)) {
-      try { fs.unlinkSync(flagPath); } catch (e) {}
+    if (
+      /\b(stop|disable|deactivate|turn off)\b.*\bcaveman\b/i.test(prompt) ||
+      /\bcaveman\b.*\b(stop|disable|deactivate|turn off)\b/i.test(prompt) ||
+      /\bnormal mode\b/i.test(prompt)
+    ) {
+      try {
+        fs.unlinkSync(flagPath);
+      } catch (e) {}
     }
 
     // Per-turn reinforcement: emit a structured reminder when caveman is active.
@@ -78,17 +88,22 @@ process.stdin.on('end', () => {
     // If the flag is missing, corrupted, oversized, or a symlink pointing at
     // something like ~/.ssh/id_rsa, readFlag returns null and we emit nothing
     // — never inject untrusted bytes into model context.
-    const INDEPENDENT_MODES = new Set(['commit', 'review', 'compress']);
+    const INDEPENDENT_MODES = new Set(["commit", "review", "compress"]);
     const activeMode = readFlag(flagPath);
     if (activeMode && !INDEPENDENT_MODES.has(activeMode)) {
-      process.stdout.write(JSON.stringify({
-        hookSpecificOutput: {
-          hookEventName: "UserPromptSubmit",
-          additionalContext: "CAVEMAN MODE ACTIVE (" + activeMode + "). " +
-            "Drop articles/filler/pleasantries/hedging. Fragments OK. " +
-            "Code/commits/security: write normal."
-        }
-      }));
+      process.stdout.write(
+        JSON.stringify({
+          hookSpecificOutput: {
+            hookEventName: "UserPromptSubmit",
+            additionalContext:
+              "CAVEMAN MODE ACTIVE (" +
+              activeMode +
+              "). " +
+              "Drop articles/filler/pleasantries/hedging. Fragments OK. " +
+              "Code/commits/security: write normal.",
+          },
+        }),
+      );
     }
   } catch (e) {
     // Silent fail

.claude/settings/hooks.jsonc

@@ -8,16 +8,16 @@
             "type": "command",
             "command": "sh -c 'SESSION=$(jq -r \".session_id\" 2>/dev/null); DIR=\"/tmp/claude-$(id -u)\"; mkdir -p \"$DIR\"; printf \"%s\" \"$(git rev-parse --show-toplevel)\" > \"$DIR/.claude_project_root_${SESSION}\"'",
             "timeout": 5,
-            "statusMessage": "Caching project root...",
+            "statusMessage": "Caching project root..."
           },
           {
             "type": "command",
             "command": "node \"$(git rev-parse --show-toplevel)/.claude/hooks/caveman-activate.js\"",
             "timeout": 5,
-            "statusMessage": "Loading caveman mode...",
-          },
-        ],
-      },
+            "statusMessage": "Loading caveman mode..."
+          }
+        ]
+      }
     ],
     "UserPromptSubmit": [
       {
@@ -26,10 +26,10 @@
             "type": "command",
             "command": "sh -c 'INPUT=$(cat); SESSION=$(printf \"%s\" \"$INPUT\" | jq -r \".session_id\" 2>/dev/null); ROOT=$(cat \"/tmp/claude-$(id -u)/.claude_project_root_${SESSION}\"); printf \"%s\" \"$INPUT\" | PROJECT_ROOT_DIR=\"$ROOT\" node \"$ROOT/.claude/hooks/caveman-mode-tracker.js\"'",
             "timeout": 5,
-            "statusMessage": "Tracking caveman mode...",
-          },
-        ],
-      },
-    ],
-  },
+            "statusMessage": "Tracking caveman mode..."
+          }
+        ]
+      }
+    ]
+  }
 }

.claude/settings/models.jsonc

@@ -1,12 +1,12 @@
 {
-    "availableModels": [
-        "fable",
-        "sonnet",
-        "opus",
-        "haiku",
-        "claude-opus-5",
-        "claude-opus-4-8",
-        "claude-sonnet-5",
-        "claude-sonnet-4-6"
-    ]
+  "availableModels": [
+    "fable",
+    "sonnet",
+    "opus",
+    "haiku",
+    "claude-opus-5",
+    "claude-opus-4-8",
+    "claude-sonnet-5",
+    "claude-sonnet-4-6"
+  ]
 }

.claude/settings/permissions/additional-dirs.jsonc

@@ -2,6 +2,6 @@
   // Additional directories that Claude Code can access
   "$schema": "https://json.schemastore.org/claude-code-settings.json",
   "permissions": {
-    "additionalDirectories": ["/tmp", "/workspaces"],
-  },
+    "additionalDirectories": ["/tmp", "/workspaces"]
+  }
 }

.claude/settings/permissions/bash.jsonc

@@ -85,7 +85,7 @@
       "Bash(sort *)",
       "Bash(tail *)",
       // Search
-      "Bash(rg *)",
+      "Bash(rg *)"
       // Research
     ],
     "ask": [
@@ -99,7 +99,7 @@
       "Bash(gh pr close *)",
       "Bash(gh pr comment *)",
       "Bash(gh pr create *)",
-      "Bash(gh pr edit *)",
+      "Bash(gh pr edit *)"
     ],
     "deny": [
       // Exceptions to generally allowed AI tooling
@@ -178,7 +178,7 @@
       "Bash(usermod *)",
       // System Control
       "Bash(reboot *)",
-      "Bash(shutdown *)",
-    ],
-  },
+      "Bash(shutdown *)"
+    ]
+  }
 }

.claude/settings/permissions/edit.jsonc

@@ -6,6 +6,6 @@
     // A single leading slash anchors at the settings source, so absolute paths need the `//` prefix
     "allow": ["Edit(//tmp/**)", "Edit(//workspaces/**/tmp/**)", "Edit(tmp/**)"],
     // Agents are allowed to run any task, but this provides some basic protection against editing a task to do something nefarious that's normally forbidden.
-    "ask": ["Edit(Taskfile.yaml)", "Edit(.config/taskfiles/**)"],
-  },
+    "ask": ["Edit(Taskfile.yaml)", "Edit(.config/taskfiles/**)"]
+  }
 }

.claude/settings/permissions/read.jsonc

@@ -4,6 +4,6 @@
   "$schema": "https://json.schemastore.org/claude-code-settings.json",
   "permissions": {
     "allow": ["Read(~/.zshrc)"],
-    "deny": ["Read(~/Drive/Secrets/**)", "Read(~/.ssh/**)", "Read(**/.env*)", "Read(~/.aws/**)"],
-  },
+    "deny": ["Read(~/Drive/Secrets/**)", "Read(~/.ssh/**)", "Read(**/.env*)", "Read(~/.aws/**)"]
+  }
 }

.coderabbit.yaml

@@ -25,6 +25,8 @@ reviews:
       enabled: false
     pylint: # when the code contains python, pylint will be run in the CI pipeline, and coderabbit often generates false positives
       enabled: false
+    biome: # biome runs in the CI pipeline through pre-commit, and coderabbit would not find the config in .config/ and fall back to its own defaults
+      enabled: false
     flake8: # we use ruff instead (when we use Python)
       enabled: false
   poem: false