fix(all): report server-sent event operations and field deprecations in SDK diffs

pkg/changes/__snapshots__/changes_field_deprecated_test.snap

@@ -0,0 +1,91 @@
+
+[TestChanges_FieldChanges_FieldDeprecated - 1]
+# Test: field_deprecated
+
+## Old Spec:
+```yaml
+openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /widgets:
+    post:
+      operationId: updateWidget
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                color:
+                  type: string
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  id:
+                    type: string
+                  nickname:
+                    type: string
+                  label:
+                    type: string
+```
+
+## New Spec:
+```yaml
+openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /widgets:
+    post:
+      operationId: updateWidget
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                color:
+                  type: string
+                  deprecated: true
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  id:
+                    type: string
+                  nickname:
+                    type: string
+                    deprecated: true
+                  label:
+                    type: string
+                    nullable: true
+                    deprecated: true
+```
+
+## Compact Mode:
+## Typescript SDK Changes:
+* `sdk.updateWidget()`: 
+  *  `request.color` **Deprecated**
+  *  `response` **Changed** (Breaking ⚠️)
+
+## Full Mode:
+## Typescript SDK Changes:
+* `sdk.updateWidget()`: 
+  *  `request.color` **Deprecated**
+  * `response` **Changed** (Breaking ⚠️)
+    - `label` **Changed** (Breaking ⚠️)
+    - `nickname` **Deprecated**
+
+---

pkg/changes/__snapshots__/changes_server_sent_events_test.snap

@@ -0,0 +1,136 @@
+
+[TestChanges_MethodChanges_ServerSentEvents - 1]
+# Test: server_sent_events
+
+## Old Spec:
+```yaml
+openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /reports:
+    post:
+      operationId: generateReport
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ReportRequest'
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Report'
+            text/event-stream:
+              schema:
+                $ref: '#/components/schemas/ReportEvent'
+components:
+  schemas:
+    ReportRequest:
+      type: object
+      required: [format]
+      properties:
+        format:
+          type: string
+          enum: [pdf, csv]
+    Report:
+      type: object
+      properties:
+        id:
+          type: string
+    ReportEvent:
+      type: object
+      properties:
+        data:
+          type: string
+```
+
+## New Spec:
+```yaml
+openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /reports:
+    post:
+      operationId: generateReport
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ReportRequest'
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Report'
+            text/event-stream:
+              schema:
+                $ref: '#/components/schemas/ReportEvent'
+  /widgets:
+    post:
+      operationId: createWidget
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Report'
+            text/event-stream:
+              schema:
+                $ref: '#/components/schemas/ReportEvent'
+  /events:
+    get:
+      operationId: tailEvents
+      responses:
+        '200':
+          description: Success
+          content:
+            text/event-stream:
+              schema:
+                $ref: '#/components/schemas/ReportEvent'
+components:
+  schemas:
+    ReportRequest:
+      type: object
+      required: [format]
+      properties:
+        format:
+          type: string
+          enum: [pdf, csv, html]
+    Report:
+      type: object
+      properties:
+        id:
+          type: string
+    ReportEvent:
+      type: object
+      properties:
+        data:
+          type: string
+```
+
+## Compact Mode:
+## Python SDK Changes:
+* `sdk.create_widget()`: **Added**
+* `sdk.tail_events()`: **Added**
+* `sdk.generate_report()`: 
+  *  `request.format.enum(html)` **Added**
+
+## Full Mode:
+## Python SDK Changes:
+* `sdk.create_widget()`: **Added**
+* `sdk.tail_events()`: **Added**
+* `sdk.generate_report()`: 
+  *  `request.format.enum(html)` **Added**
+
+---

pkg/changes/changes.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"path/filepath"
 
+	generationaccess "github.com/speakeasy-api/generation-context/access"
 	"github.com/speakeasy-api/openapi-generation/v2/internal/analytics"
 	"github.com/speakeasy-api/openapi-generation/v2/internal/ast"
 	"github.com/speakeasy-api/openapi-generation/v2/internal/document"
@@ -107,6 +108,11 @@ func resolveAST(ctx context.Context, config GenerateOptions) (*ast.AST, *subsyst
 	if config.Logger == nil {
 		config.Logger = logging.NewLogger(zapcore.DebugLevel)
 	}
+	// The generator skips operations that use feature-gated constructs, such as
+	// server-sent event responses, when no generation access state is present.
+	if _, ok := generationaccess.StateFromContext(ctx); !ok {
+		ctx = generationaccess.WithDirect(ctx)
+	}
 	// Check if schema file exists
 	if _, err := os.Stat(config.SchemaPath); err != nil {
 		// If file doesn't exist, return nil AST and nil Subsystem

pkg/changes/changes_field_deprecated_test.go

@@ -0,0 +1,90 @@
+package changes
+
+import (
+	"testing"
+
+	"github.com/gkampitakis/go-snaps/snaps"
+)
+
+func TestChanges_FieldChanges_FieldDeprecated(t *testing.T) {
+	oldSpec := `openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /widgets:
+    post:
+      operationId: updateWidget
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                color:
+                  type: string
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  id:
+                    type: string
+                  nickname:
+                    type: string
+                  label:
+                    type: string`
+
+	newSpec := `openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /widgets:
+    post:
+      operationId: updateWidget
+      requestBody:
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                color:
+                  type: string
+                  deprecated: true
+      responses:
+        '200':
+          description: Success
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  id:
+                    type: string
+                  nickname:
+                    type: string
+                    deprecated: true
+                  label:
+                    type: string
+                    nullable: true
+                    deprecated: true`
+
+	lang := "typescript"
+	oldConfig, newConfig := createTestConfigs(t, testSpecPair{
+		oldSpec: oldSpec,
+		newSpec: newSpec,
+		lang:    lang,
+	})
+
+	diff, err := Changes(t.Context(), oldConfig, newConfig)
+	if err != nil {
+		t.Fatalf("failed to get changes. error: %s", err.Error())
+	}
+
+	snapshot := formatTestSnapshotWithDiff("field_deprecated", oldSpec, newSpec, diff)
+	snaps.MatchSnapshot(t, snapshot)
+}