diff --git a/README.md b/README.md
index 2249345..87ba37f 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,6 @@ Python 3 standard library. For local development, install Node.js 22 and Python
 
 ```sh
 npm ci
-npm run agent:package
 export EC_SETUP_TOKEN=$(openssl rand -hex 32)
 export BETA_ARCHIVE_DIR=./data/beta-archive
 EC_AUTH_ALLOW_HTTP=true npm run dev
@@ -70,6 +69,7 @@ EC_AUTH_ALLOW_HTTP=true npm run dev
 
 Open `http://localhost:3000` and use the setup token from your shell. The local
 database defaults to `./data/cherry.db`; keep it separate from production data.
+`npm run dev` packages the downloadable agent before starting the server.
 
 ```sh
 npm run check
diff --git a/docs/development/README.md b/docs/development/README.md
index 8413aed..a8df688 100644
--- a/docs/development/README.md
+++ b/docs/development/README.md
@@ -14,7 +14,6 @@ Use Node.js 22 (the container's version), npm and Python 3.
 
 ```sh
 npm ci
-npm run agent:package
 export EC_SETUP_TOKEN="$(openssl rand -hex 32)"
 export BETA_ARCHIVE_DIR=./data/beta-archive
 EC_AUTH_ALLOW_HTTP=true npm run dev
@@ -83,10 +82,12 @@ npm run test:agent
 npm run build
 ```
 
-Builds regenerate the downloadable agent, standalone updater and checksum
-manifest. They also bundle report workers under `build/reports` and launch
-preparation under `build/launch`. Development and test commands compile those
-workers automatically. Restart `npm run dev` after changing worker code.
+`npm run dev` and `npm run build` regenerate the downloadable agent, installer,
+standalone updater and checksum manifest. Builds also bundle report workers
+under `build/reports` and launch preparation under `build/launch`. Development
+and test commands compile those workers automatically. Restart `npm run dev`
+after changing agent or worker code, or run `npm run agent:package` to refresh
+only the downloadable agent assets while the development server is running.
 
 Automated tests simulate Docker and game hosts. Real Debian installation and
 T5/T6 server validation use the [host acceptance checklist](../guides/native-hosts.md#development-and-validation).
diff --git a/package.json b/package.json
index 5212efd..d334506 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "test:agent": "python3 -m unittest discover -s agent/tests -v",
     "build:reports": "vite build --config vite.reports.config.ts",
     "build:launch": "vite build --config vite.launch.config.ts",
-    "predev": "npm run build:reports && npm run build:launch",
+    "predev": "npm run agent:package && npm run build:reports && npm run build:launch",
     "pretest": "npm run build:reports && npm run build:launch",
     "pretest:watch": "npm run build:reports && npm run build:launch",
     "check:styles": "node scripts/check-ui-styles.mjs"
diff --git a/tmp-dedicated.cfg b/tmp-dedicated.cfg
deleted file mode 100644
index 2910fe5..0000000
--- a/tmp-dedicated.cfg
+++ /dev/null
@@ -1,16 +0,0 @@
-//////////////////////////////////////////////////
-// GENERAL CONFIGURATION                        //
-//////////////////////////////////////////////////
-
-set g_inactivity "190"                              // Enable or Disable auto kick feature for idle/AFK players.
-set sv_disableClientConsole "0"                     // Enable or Disable players ability to access server commands
-set sv_floodProtect "1"                             // Chat Spam Protection.
-set sv_kickBanTime "300"                            // Kick Ban Duration.
-set sv_voice "1"                                    // Allow Voice Chat?
-set sv_voicequality "3"                             // Voice Quality.
-set sp_minplayers "1"                               // Minimum amount of players.
-set scr_allowFileIo "1"                             // Allow GSC scripts to interact with files?
-set scr_kill_infinite_loops "1"                     // Kill misbehaving threads?
-set sv_wwwBaseURL ""                                // Fast DL URL
-
-set sv_maprotation "map zombie_theater"
diff --git a/tmp-resp.txt b/tmp-resp.txt
deleted file mode 100644
index 22067bd..0000000
--- a/tmp-resp.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-Note: Unnecessary use of -X or --request, POST is already inferred.
-* Host localhost:3000 was resolved.
-* IPv6: ::1
-* IPv4: 127.0.0.1
-  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
-                                 Dload  Upload   Total   Spent    Left  Speed
-
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying [::1]:3000...
-* Connected to localhost (::1) port 3000
-* using HTTP/1.x
-> POST /api/configs HTTP/1.1

-> Host: localhost:3000

-> User-Agent: curl/8.15.0

-> Accept: */*

-> Content-Length: 1832

-> Content-Type: multipart/form-data; boundary=------------------------barYWMs19HWi81kFXmt3OX

-> 

-} [1832 bytes data]
-* upload completely sent off: 1832 bytes
-< HTTP/1.1 200 OK

-< Access-Control-Allow-Origin: *

-< content-length: 232

-< content-type: application/json

-< Date: Sat, 12 Sep 2026 23:27:36 GMT

-< Connection: keep-alive

-< Keep-Alive: timeout=5

-< 

-{ [232 bytes data]
-
100  2064  100   232  100  1832  49225   379k --:--:-- --:--:-- --:--:--  503k{"ok":true,"script":{"id":2,"name":"T5 Zombies Baseline","target_rel_path":"dedicated_sp.cfg","scope_type":"game","scope_value":"t5","current_version_id":null,"kind":"baseline","created_at":"2026-09-12T23:27:36.519Z"},"versionId":2}
-* Connection #0 to host localhost left intact