diff --git a/backend/internal/httpd/apispec/openapi.yaml b/backend/internal/httpd/apispec/openapi.yaml
index a66191e55..2a3de1a9b 100644
--- a/backend/internal/httpd/apispec/openapi.yaml
+++ b/backend/internal/httpd/apispec/openapi.yaml
@@ -51,6 +51,55 @@ paths:
       summary: Stream CDC events with durable replay
       tags:
       - events
+  /api/v1/import:
+    get:
+      operationId: getImportStatus
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ImportStatusResponse'
+          description: OK
+        "500":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIError'
+          description: Internal Server Error
+        "501":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIError'
+          description: Not Implemented
+      summary: Check whether a legacy AO install is available to import
+      tags:
+      - import
+    post:
+      operationId: runImport
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ImportRunResponse'
+          description: OK
+        "500":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIError'
+          description: Internal Server Error
+        "501":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/APIError'
+          description: Not Implemented
+      summary: Run the legacy AO project import through the daemon store
+      tags:
+      - import
   /api/v1/notifications:
     get:
       operationId: listNotifications
@@ -1600,6 +1649,40 @@ components:
       required:
       - harness
       type: object
+    ImportReport:
+      properties:
+        dryRun:
+          type: boolean
+        notes:
+          items:
+            type: string
+          type: array
+        projectsImported:
+          type: integer
+        projectsSkipped:
+          type: integer
+      required:
+      - dryRun
+      - projectsImported
+      - projectsSkipped
+      type: object
+    ImportRunResponse:
+      properties:
+        report:
+          $ref: '#/components/schemas/ImportReport'
+      required:
+      - report
+      type: object
+    ImportStatusResponse:
+      properties:
+        available:
+          type: boolean
+        legacyRoot:
+          type: string
+      required:
+      - available
+      - legacyRoot
+      type: object
     KillSessionResponse:
       properties:
         freed:
@@ -2429,3 +2512,5 @@ tags:
   name: notifications
 - description: Server-sent CDC event stream with durable replay
   name: events
+- description: Legacy AO project import (availability probe and run)
+  name: import
diff --git a/backend/internal/httpd/apispec/specgen/build.go b/backend/internal/httpd/apispec/specgen/build.go
index a2611d61f..842a882ef 100644
--- a/backend/internal/httpd/apispec/specgen/build.go
+++ b/backend/internal/httpd/apispec/specgen/build.go
@@ -67,6 +67,8 @@ func Build() ([]byte, error) {
 			"Durable dashboard notifications"),
 		*(&openapi31.Tag{Name: "events"}).WithDescription(
 			"Server-sent CDC event stream with durable replay"),
+		*(&openapi31.Tag{Name: "import"}).WithDescription(
+			"Legacy AO project import (availability probe and run)"),
 	}
 
 	for _, op := range operations() {
@@ -186,6 +188,11 @@ var schemaNames = map[string]string{
 	"ControllersSubmitReviewInput":   "SubmitReviewInput",
 	// domain review entities
 	"DomainReviewRun": "ReviewRun",
+	// httpd/controllers — import wire envelopes
+	"ControllersImportStatusResponse": "ImportStatusResponse",
+	"ControllersImportRunResponse":    "ImportRunResponse",
+	// legacyimport report
+	"LegacyimportReport": "ImportReport",
 	// service/project entities + DTOs
 	"ProjectProject":        "Project",
 	"ProjectSummary":        "ProjectSummary",
@@ -273,9 +280,35 @@ func operations() []operation {
 	ops = append(ops, prOperations()...)
 	ops = append(ops, reviewOperations()...)
 	ops = append(ops, notificationOperations()...)
+	ops = append(ops, importOperations()...)
 	return ops
 }
 
+// importOperations declares the 2 /import operations. Must stay 1:1 with
+// the routes ImportController.Register mounts (enforced by the parity test).
+func importOperations() []operation {
+	return []operation{
+		{
+			method: http.MethodGet, path: "/api/v1/import", id: "getImportStatus", tag: "import",
+			summary: "Check whether a legacy AO install is available to import",
+			resps: []respUnit{
+				{http.StatusOK, controllers.ImportStatusResponse{}},
+				{http.StatusInternalServerError, envelope.APIError{}},
+				{http.StatusNotImplemented, envelope.APIError{}},
+			},
+		},
+		{
+			method: http.MethodPost, path: "/api/v1/import", id: "runImport", tag: "import",
+			summary: "Run the legacy AO project import through the daemon store",
+			resps: []respUnit{
+				{http.StatusOK, controllers.ImportRunResponse{}},
+				{http.StatusInternalServerError, envelope.APIError{}},
+				{http.StatusNotImplemented, envelope.APIError{}},
+			},
+		},
+	}
+}
+
 func notificationOperations() []operation {
 	return []operation{
 		{
diff --git a/backend/internal/httpd/controllers/imports_test.go b/backend/internal/httpd/controllers/imports_test.go
index 4faab0d87..87c4db3be 100644
--- a/backend/internal/httpd/controllers/imports_test.go
+++ b/backend/internal/httpd/controllers/imports_test.go
@@ -88,10 +88,12 @@ func TestImportAPI_RunError(t *testing.T) {
 	}
 }
 
-// TestImportAPI_NilSvcReturns501 verifies the controller falls through to the
-// 501 stub when no import service is wired. This test only passes after
-// Task 4 regenerates openapi.yaml to include /api/v1/import; until then the
-// apispec.NotImplemented call panics on the missing operation.
-// Kept as a reminder; re-enable after api:spec regen.
-//
-// func TestImportAPI_NilSvcReturns501(t *testing.T) { ... }
+func TestImportAPI_NilSvcReturns501(t *testing.T) {
+	log := slog.New(slog.NewTextHandler(io.Discard, nil))
+	srv := httptest.NewServer(httpd.NewRouterWithControl(config.Config{}, log, nil, httpd.APIDeps{}, httpd.ControlDeps{}))
+	t.Cleanup(srv.Close)
+	body, status, _ := doRequest(t, srv, "GET", "/api/v1/import", "")
+	assertErrorCode(t, body, status, http.StatusNotImplemented, "NOT_IMPLEMENTED")
+	body, status, _ = doRequest(t, srv, "POST", "/api/v1/import", "")
+	assertErrorCode(t, body, status, http.StatusNotImplemented, "NOT_IMPLEMENTED")
+}
diff --git a/frontend/src/api/schema.ts b/frontend/src/api/schema.ts
index a7f68302d..ff6d8c967 100644
--- a/frontend/src/api/schema.ts
+++ b/frontend/src/api/schema.ts
@@ -21,6 +21,24 @@ export interface paths {
         patch?: never;
         trace?: never;
     };
+    "/api/v1/import": {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        /** Check whether a legacy AO install is available to import */
+        get: operations["getImportStatus"];
+        put?: never;
+        /** Run the legacy AO project import through the daemon store */
+        post: operations["runImport"];
+        delete?: never;
+        options?: never;
+        head?: never;
+        patch?: never;
+        trace?: never;
+    };
     "/api/v1/notifications": {
         parameters: {
             query?: never;
@@ -551,6 +569,19 @@ export interface components {
         DomainReviewerConfig: {
             harness: string;
         };
+        ImportReport: {
+            dryRun: boolean;
+            notes?: string[];
+            projectsImported: number;
+            projectsSkipped: number;
+        };
+        ImportRunResponse: {
+            report: components["schemas"]["ImportReport"];
+        };
+        ImportStatusResponse: {
+            available: boolean;
+            legacyRoot: string;
+        };
         KillSessionResponse: {
             freed?: boolean;
             ok: boolean;
@@ -918,6 +949,82 @@ export interface operations {
             };
         };
     };
+    getImportStatus: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["ImportStatusResponse"];
+                };
+            };
+            /** @description Internal Server Error */
+            500: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["APIError"];
+                };
+            };
+            /** @description Not Implemented */
+            501: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["APIError"];
+                };
+            };
+        };
+    };
+    runImport: {
+        parameters: {
+            query?: never;
+            header?: never;
+            path?: never;
+            cookie?: never;
+        };
+        requestBody?: never;
+        responses: {
+            /** @description OK */
+            200: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["ImportRunResponse"];
+                };
+            };
+            /** @description Internal Server Error */
+            500: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["APIError"];
+                };
+            };
+            /** @description Not Implemented */
+            501: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["APIError"];
+                };
+            };
+        };
+    };
     listNotifications: {
         parameters: {
             query?: {