Restore 406 fallbacks after application routing

CHANGES.md

@@ -18,6 +18,51 @@ To be released.
 [#1274]: https://github.com/fedify-dev/fedify/issues/1274
 [#1276]: https://github.com/fedify-dev/fedify/pull/1276
 
+### @fedify/elysia
+
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]
+
+[#1277]: https://github.com/fedify-dev/fedify/issues/1277
+[#1280]: https://github.com/fedify-dev/fedify/pull/1280
+
+### @fedify/express
+
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]
+
+### @fedify/hono
+
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  Matched application routes and downstream wildcard
+    middleware retain their 404 responses, even when they delegate to Hono's
+    default not-found handler.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]
+
+### @fedify/koa
+
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]
+
+### @fedify/nestjs
+
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]
+
 
 Version 2.0.32
 --------------

changes.d/elysia/not-acceptable-fallback.md

@@ -0,0 +1,10 @@
+---
+links:
+  '#1277': https://github.com/fedify-dev/fedify/issues/1277
+  '#1280': https://github.com/fedify-dev/fedify/pull/1280
+---
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]

changes.d/express/not-acceptable-fallback.md

@@ -0,0 +1,10 @@
+---
+links:
+  '#1277': https://github.com/fedify-dev/fedify/issues/1277
+  '#1280': https://github.com/fedify-dev/fedify/pull/1280
+---
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]

changes.d/hono/not-acceptable-fallback.md

@@ -0,0 +1,12 @@
+---
+links:
+  '#1277': https://github.com/fedify-dev/fedify/issues/1277
+  '#1280': https://github.com/fedify-dev/fedify/pull/1280
+---
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  Matched application routes and downstream wildcard
+    middleware retain their 404 responses, even when they delegate to Hono's
+    default not-found handler.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]

changes.d/koa/not-acceptable-fallback.md

@@ -0,0 +1,10 @@
+---
+links:
+  '#1277': https://github.com/fedify-dev/fedify/issues/1277
+  '#1280': https://github.com/fedify-dev/fedify/pull/1280
+---
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]

changes.d/nestjs/not-acceptable-fallback.md

@@ -0,0 +1,10 @@
+---
+links:
+  '#1277': https://github.com/fedify-dev/fedify/issues/1277
+  '#1280': https://github.com/fedify-dev/fedify/pull/1280
+---
+ -  Fixed federation endpoints returning `404 Not Found` instead of
+    `406 Not Acceptable` when the application cannot handle a request with an
+    unsupported `Accept` header.  Application responses, including explicit
+    404s, are preserved.  The fallback includes `Vary: Accept`.
+    [[#1277], [#1280]]

deno.json

@@ -36,6 +36,8 @@
     "@logtape/file": "jsr:@logtape/file@^2.0.0",
     "@logtape/logtape": "jsr:@logtape/logtape@^2.0.0",
     "@nestjs/common": "npm:@nestjs/common@^11.0.1",
+    "@nestjs/core": "npm:@nestjs/core@11.1.4",
+    "@nestjs/platform-express": "npm:@nestjs/platform-express@11.1.4",
     "@opentelemetry/api": "npm:@opentelemetry/api@^1.9.0",
     "@opentelemetry/context-async-hooks": "npm:@opentelemetry/context-async-hooks@^2.5.0",
     "@opentelemetry/core": "npm:@opentelemetry/core@^2.5.0",
@@ -62,6 +64,7 @@
     "json-preserve-indent": "npm:json-preserve-indent@^1.1.3",
     "postgres": "npm:postgres@^3.4.7",
     "preact": "npm:preact@10.19.6",
+    "reflect-metadata": "npm:reflect-metadata@^0.2.2",
     "tsdown": "npm:tsdown@^0.21.6"
   },
   "unstable": [
@@ -114,16 +117,20 @@
       ]
     },
     "pnpm:build-vocab-runtime": {
-      "command": "pnpm -C packages/vocab-runtime build"
+      "command": "pnpm -C packages/vocab-runtime build",
+      "dependencies": ["install"]
     },
     "pnpm:build-vocab-tools": {
-      "command": "pnpm -C packages/vocab-tools build"
+      "command": "pnpm -C packages/vocab-tools build",
+      "dependencies": ["install"]
     },
     "pnpm:build-fixture": {
-      "command": "pnpm -C packages/fixture build"
+      "command": "pnpm -C packages/fixture build",
+      "dependencies": ["install"]
     },
     "pnpm:build-webfinger": {
-      "command": "pnpm -C packages/webfinger build"
+      "command": "pnpm -C packages/webfinger build",
+      "dependencies": ["install"]
     },
     "pnpm:build-vocab": {
       "command": "pnpm -C packages/vocab build",
@@ -170,7 +177,9 @@
       "./packages"
     ],
     "exclude": [
-      "./packages/init/src/templates/**"
+      "./packages/init/src/templates/**",
+      "packages/elysia/src/**/*.test.ts",
+      "packages/nestjs/src/**/*.test.ts"
     ]
   }
 }