ci: remove GitHub Actions workflow (Argo Workflows on iad-ci only)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/schema-gen.yml

@@ -1,110 +0,0 @@
-name: Schema Generation Validation
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-  workflow_dispatch:
-
-jobs:
-  validate-schema:
-    runs-on: ubuntu-latest
-    name: Validate JSON Schema
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          components: rustfmt, clippy
-
-      - name: Cache Cargo registry
-        uses: actions/cache@v4
-        with:
-          path: ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Cache Cargo index
-        uses: actions/cache@v4
-        with:
-          path: ~/.cargo/git
-          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Cache Cargo build
-        uses: actions/cache@v4
-        with:
-          path: target
-          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Generate JSON Schema
-        run: cargo run --manifest-path=xtask/Cargo.toml --bin gen_schema
-
-      - name: Check for schema changes
-        id: check-diff
-        run: |
-          if git diff --quiet docs/schema/v1.0/pdftract.schema.json; then
-            echo "Schema is up to date"
-            echo "has_changes=false" >> $GITHUB_OUTPUT
-          else
-            echo "Schema has uncommitted changes"
-            echo "has_changes=true" >> $GITHUB_OUTPUT
-            echo "### Schema changes detected :warning:" >> $GITHUB_STEP_SUMMARY
-            echo "" >> $GITHUB_STEP_SUMMARY
-            echo "The generated JSON schema differs from the committed file." >> $GITHUB_STEP_SUMMARY
-            echo "" >> $GITHUB_STEP_SUMMARY
-            echo "\`\`\`diff" >> $GITHUB_STEP_SUMMARY
-            git diff docs/schema/v1.0/pdftract.schema.json >> $GITHUB_STEP_SUMMARY
-            echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
-            echo "" >> $GITHUB_STEP_SUMMARY
-            echo "To fix this issue:" >> $GITHUB_STEP_SUMMARY
-            echo "1. Run \`cargo run --manifest-path=xtask/Cargo.toml --bin gen_schema\`" >> $GITHUB_STEP_SUMMARY
-            echo "2. Commit the updated schema file" >> $GITHUB_STEP_SUMMARY
-            exit 1
-          fi
-
-  validate-json-syntax:
-    runs-on: ubuntu-latest
-    name: Validate JSON Syntax
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Validate JSON Schema
-        run: |
-          python3 -c "import json; json.load(open('docs/schema/v1.0/pdftract.schema.json')); print('Schema is valid JSON')"
-
-      - name: Validate schema structure
-        run: |
-          python3 << 'EOF'
-          import json
-          with open('docs/schema/v1.0/pdftract.schema.json') as f:
-              schema = json.load(f)
-
-          # Verify required fields
-          assert schema['$schema'] == 'https://json-schema.org/draft/2020-12/schema', "Missing or incorrect $schema"
-          assert schema['$id'] == 'https://pdftract.com/schema/v1.0/pdftract.schema.json', "Missing or incorrect $id"
-          assert schema['title'] == 'pdftract Output v1.0', "Missing or incorrect title"
-
-          # Verify $defs exist
-          assert '$defs' in schema, "Missing $defs"
-          assert 'PageJson' in schema['$defs'], "Missing PageJson definition"
-          assert 'SpanJson' in schema['$defs'], "Missing SpanJson definition"
-          assert 'DiagnosticJson' in schema['$defs'], "Missing DiagnosticJson definition"
-
-          # Verify enum constraints
-          page_type = schema['$defs']['PageJson']['properties']['type']
-          assert 'enum' in page_type, "Missing enum constraint on PageJson.type"
-          assert set(page_type['enum']) == {'text', 'scanned', 'mixed', 'broken_vector', 'blank', 'figure_only'}, "Incorrect page_type enum values"
-
-          severity = schema['$defs']['DiagnosticJson']['properties']['severity']
-          assert 'enum' in severity, "Missing enum constraint on DiagnosticJson.severity"
-          assert set(severity['enum']) == {'info', 'warning', 'error', 'fatal'}, "Incorrect severity enum values"
-
-          conf_source = schema['$defs']['SpanJson']['properties']['confidence_source']
-          assert 'enum' in conf_source, "Missing enum constraint on SpanJson.confidence_source"
-          assert set(conf_source['enum']) == {'native', 'heuristic', 'ocr'}, "Incorrect confidence_source enum values"
-
-          print("All schema structure validations passed!")
-          EOF