fix(api): section override for backwards-compat alias routes (adjust-colors)

apps/api/src/routes/tool-factory.ts

@@ -6,6 +6,7 @@ import {
   ANALYTICS_EVENTS,
   apiToolPath,
   getBundleForTool,
+  type Section,
   TOOL_BUNDLE_MAP,
   TOOLS,
 } from "@snapotter/shared";
@@ -73,6 +74,12 @@ export type ToolProcessV2 = (ctx: ToolProcessCtxV2) => Promise<ToolProcessResult
 export interface ToolRouteConfig<T> {
   /** Unique tool identifier, used as the URL path segment. */
   toolId: string;
+  /**
+   * Override the URL section for non-catalog alias routes kept for
+   * backwards-compatible URLs (e.g. adjust-colors' brightness-contrast).
+   * Catalog tools omit this; their section is derived via apiToolPath.
+   */
+  section?: Section;
   /**
    * How many file parts the route accepts (default 1). Inputs beyond the
    * first are validated by the same modality handler and appended to
@@ -217,7 +224,9 @@ export function createToolRoute<T>(app: FastifyInstance, config: ToolRouteConfig
   toolRegistry.set(config.toolId, resolved);
 
   app.post(
-    apiToolPath(config.toolId),
+    config.section
+      ? `/api/v1/tools/${config.section}/${config.toolId}`
+      : apiToolPath(config.toolId),
     { config: { rateLimit: { max: 60, timeWindow: "1 minute" } } },
     async (request: FastifyRequest, reply: FastifyReply) => {
       // Check per-tool access before processing uploads

apps/api/src/routes/tools/adjust-colors.ts

@@ -133,14 +133,20 @@ async function processColorAdjustments(
 }
 
 export function registerColorAdjustments(app: FastifyInstance) {
-  const allIds = [
-    "adjust-colors",
-    "brightness-contrast",
-    "saturation",
-    "color-channels",
-    "color-effects",
-  ];
-  for (const toolId of allIds) {
-    createToolRoute(app, { toolId, settingsSchema, process: processColorAdjustments });
+  createToolRoute(app, {
+    toolId: "adjust-colors",
+    settingsSchema,
+    process: processColorAdjustments,
+  });
+  // Backwards-compatible alias routes consolidated into adjust-colors. These
+  // ids are not catalog TOOLS, so pass the section explicitly (all image).
+  const aliasIds = ["brightness-contrast", "saturation", "color-channels", "color-effects"];
+  for (const toolId of aliasIds) {
+    createToolRoute(app, {
+      toolId,
+      section: "image",
+      settingsSchema,
+      process: processColorAdjustments,
+    });
   }
 }