Update docs and action with new flags

CLAUDE.md

@@ -80,7 +80,8 @@ testdata/src/
 ├── generated/      # Generated file detection
 ├── internal/config # Internal package detection tests
 ├── unexported/     # Tests for -unexported flag
-└── ignore/         # Tests for -ignore flag
+├── ignore/         # Tests for -ignore flag
+└── jsontest/       # Tests for -output=json flag
 ```
 
 Test annotations use `// want "message"` comments to assert expected diagnostics:

README.md

@@ -46,11 +46,20 @@ positionless ./...
 # Analyze specific package
 positionless ./pkg/mypackage
 
+# Apply suggested fixes automatically
+positionless -fix ./...
+
 # Include generated files (excluded by default)
 positionless -generated ./...
 
-# Apply suggested fixes automatically
-positionless -fix ./...
+# Fix structs with unexported fields in internal packages
+positionless -fix -internal ./...
+
+# Skip specific struct types
+positionless -ignore="ConfigTest,*Mock" ./...
+
+# JSON output for tooling integration
+positionless -output=json ./... 2>&1
 ```
 
 ### With go vet
@@ -186,8 +195,21 @@ jobs:
 | `path` | Path to analyze | `./...` |
 | `fix` | Apply suggested fixes automatically | `false` |
 | `include-generated` | Include generated files in analysis | `false` |
+| `include-unexported` | Include structs with unexported fields in fixes | `false` |
+| `include-internal` | Auto-allow unexported fields in `internal/` packages | `false` |
+| `ignore` | Comma-separated patterns to skip (e.g., `ConfigTest,*Mock`) | `` |
+| `output` | Output format: `text` or `json` | `text` |
 | `version` | Version of positionless to use | `latest` |
 
+#### Action Outputs
+
+| Output | Description |
+|--------|-------------|
+| `findings-count` | Number of positional struct literals found |
+| `fixed-count` | Number of fixes applied (when fix is enabled) |
+| `exit-code` | Exit code from the analyzer (0=success, 3=findings) |
+| `version` | Version of positionless used |
+
 #### Example Output
 
 Here's what the GitHub Action output looks like when it detects positional struct literals:
@@ -284,10 +306,11 @@ The analyzer:
 
 1. Scans your Go code for struct literal initialization
 2. Identifies positional initialization patterns
-3. Suggests fixes that convert to named field initialization
-4. Can automatically apply fixes with the `-fix` flag
-5. Preserves your original values and formatting
-6. Skips generated files by default (use `-generated` to include them)
+3. Reports all positional struct literals as warnings
+4. Suggests fixes that convert to named field initialization
+5. Can automatically apply fixes with the `-fix` flag
+6. Preserves your original values and formatting
+7. Skips generated files by default (use `-generated` to include them)
 
 ### Flags
 
@@ -297,12 +320,20 @@ The analyzer:
 | `-generated` | Include generated files in analysis |
 | `-unexported` | Include structs with unexported fields in fixes |
 | `-internal` | Auto-allow unexported fields in `internal/` packages |
-| `-ignore=PATTERN` | Skip structs matching pattern (comma-separated) |
-| `-output=FORMAT` | Output format: `text` (default) or `json` |
+| `-ignore=PATTERN` | Skip structs matching pattern (comma-separated, supports globs) |
+| `-output=FORMAT` | Output format: `text` (default) or `json` (golangci-lint compatible) |
 
 > [!TIP]
 > Use `-internal` when analyzing your own internal packages where you control all the code
 
+### Exit codes
+
+| Code | Meaning |
+|------|---------|
+| 0 | No issues found |
+| 1 | Error occurred |
+| 3 | Issues found (useful for CI pipelines) |
+
 ## Example
 
 Given this code:
@@ -330,7 +361,7 @@ cfg := Config{
 ```
 
 > [!IMPORTANT]
-> The analyzer only processes exported fields to respect Go's visibility rules
+> By default, the analyzer reports all positional structs but only auto-fixes those with exported fields. Use `-unexported` or `-internal` to enable fixes for structs with unexported fields.
 
 ## License
 

action.yml

@@ -19,6 +19,22 @@ inputs:
     description: 'Include generated files in analysis'
     required: false
     default: 'false'
+  include-unexported:
+    description: 'Include structs with unexported fields in fixes'
+    required: false
+    default: 'false'
+  include-internal:
+    description: 'Auto-allow unexported fields in internal/ packages'
+    required: false
+    default: 'false'
+  ignore:
+    description: 'Comma-separated patterns to skip (e.g., ConfigTest,*Mock)'
+    required: false
+    default: ''
+  output:
+    description: 'Output format: text or json'
+    required: false
+    default: 'text'
   version:
     description: 'Version of positionless to use (default: latest)'
     required: false
@@ -94,7 +110,19 @@ runs:
         if [ "${{ inputs.include-generated }}" == "true" ]; then
           FLAGS="$FLAGS -generated"
         fi
-
+        if [ "${{ inputs.include-unexported }}" == "true" ]; then
+          FLAGS="$FLAGS -unexported"
+        fi
+        if [ "${{ inputs.include-internal }}" == "true" ]; then
+          FLAGS="$FLAGS -internal"
+        fi
+        if [ -n "${{ inputs.ignore }}" ]; then
+          FLAGS="$FLAGS -ignore=${{ inputs.ignore }}"
+        fi
+        if [ "${{ inputs.output }}" != "text" ]; then
+          FLAGS="$FLAGS -output=${{ inputs.output }}"
+        fi
+
         echo "Running: positionless $FLAGS ${{ inputs.path }}"
 
         # Run analyzer and capture output