feat: claude + lint/format on edit

Author: cfoust

.claude/hooks/format-lint.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# PostToolUse hook: format and lint Go files after Edit/Write
+INPUT=$(cat)
+FILE_PATH=$(echo "$INPUT" | jq -r '.tool_input.file_path // empty')
+
+# Only process .go files
+if [[ "$FILE_PATH" != *.go ]]; then
+  exit 0
+fi
+
+# Check the file still exists (Write could have been to a new file that was then removed, etc.)
+if [[ ! -f "$FILE_PATH" ]]; then
+  exit 0
+fi
+
+# Format the file
+gofmt -w "$FILE_PATH" 2>&1
+
+# Lint the file with auto-fix
+cd "$CLAUDE_PROJECT_DIR"
+go tool golangci-lint run --fix "$FILE_PATH" 2>&1
+
+exit 0

.claude/settings.json

@@ -0,0 +1,42 @@
+{
+  "hooks": {
+    "PostToolUse": [
+      {
+        "matcher": "Edit|Write",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "\"$CLAUDE_PROJECT_DIR\"/.claude/hooks/format-lint.sh",
+            "timeout": 30
+          }
+        ]
+      }
+    ]
+  },
+  "permissions": {
+    "allow": [
+      "Bash(just build)",
+      "Bash(just test:*)",
+      "Bash(just format:*)",
+      "Bash(just lint:*)",
+      "Bash(just lint-fix:*)",
+      "Bash(just generate:*)",
+      "Bash(just api:*)",
+      "Bash(just sqlc:*)",
+      "Bash(just docs:*)",
+      "Bash(go build:*)",
+      "Bash(go test:*)",
+      "Bash(go fmt:*)",
+      "Bash(go generate:*)",
+      "Bash(go mod:*)",
+      "Bash(go run:*)",
+      "Bash(go tool golangci-lint:*)",
+      "Bash(gofmt:*)"
+    ],
+    "deny": [
+      "Read(./.env)",
+      "Read(./.env.*)",
+      "Read(./.env.local)"
+    ]
+  }
+}