fix: 补齐 99543c9 遗漏的内容改动（该提交的 git add 因 pathspec 报错未生效）

上一个 refactor 提交只落到 main.py 的重命名，端口与路径的实际改动漏掉了，此提交补齐：
- source/main.py: PIXIV_BACKEND 9088->9007, BILIBILI_BACKEND 19990->9006, port 9888->9008
- nginx/openapi.rrrosmontis.icu.conf: 3 处 proxy_pass -> 127.0.0.1:9008
- systemd/openapi.service: WorkingDirectory/ExecStart 同步为 source/

nginx/openapi.rrrosmontis.icu.conf

@@ -1,5 +1,5 @@
 # openapi.rrrosmontis.icu 统一入口（原 api/pixiv/apixiv.bu4.ren 合并）
-# /pixiv/ /bilibili/ -> openapi 聚合层 127.0.0.1:9888 (main.py)
+# /pixiv/ /bilibili/ -> openapi 聚合层 127.0.0.1:9008 (main.py)
 # /img-master/ /img-original/ -> i.pximg.net 图片反代（原 apixiv.bu4.ren 逻辑，方案二）
 #   2026-09-02 补 /img-original/：App API 原图 URL 为 /img-original/ 前缀，此前未配置导致 404
 
@@ -85,7 +85,7 @@ server {
 
     # ---- pixiv（openapi 聚合层 /pixiv/get_image）----
     location ^~ /pixiv/ {
-        proxy_pass http://127.0.0.1:9888;
+        proxy_pass http://127.0.0.1:9008;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Real-Port $remote_port;
@@ -104,7 +104,7 @@ server {
 
     # ---- bilibili（openapi 聚合层 /bilibili/get_video）----
     location ^~ /bilibili/ {
-        proxy_pass http://127.0.0.1:9888;
+        proxy_pass http://127.0.0.1:9008;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Real-Port $remote_port;
@@ -121,9 +121,9 @@ server {
         proxy_set_header Connection $connection_upgrade;
     }
 
-    # ---- 其余（根路径 / ）→ 9888（main.py：跳转文章页）----
+    # ---- 其余（根路径 / ）→ 9008（main.py：跳转文章页）----
     location / {
-        proxy_pass http://127.0.0.1:9888;
+        proxy_pass http://127.0.0.1:9008;
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Real-Port $remote_port;

source/main.py

@@ -1,8 +1,8 @@
 from aiohttp import web, ClientSession, ClientTimeout
 
 
-PIXIV_BACKEND = "http://127.0.0.1:9088"
-BILIBILI_BACKEND = "http://127.0.0.1:19990"
+PIXIV_BACKEND = "http://127.0.0.1:9007"
+BILIBILI_BACKEND = "http://127.0.0.1:9006"
 
 
 async def handle_pixiv(request):
@@ -52,4 +52,4 @@ app.router.add_get("/pixiv/get_image", handle_pixiv)
 app.router.add_get("/bilibili/get_video", handle_bilibili)
 
 if __name__ == "__main__":
-    web.run_app(app, host="127.0.0.1", port=9888)
+    web.run_app(app, host="127.0.0.1", port=9008)

systemd/openapi.service

@@ -6,8 +6,8 @@ Wants=network-online.target
 [Service]
 Environment=PATH=/home/openapi/env/general/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 Type=simple
-WorkingDirectory=/home/openapi/source/openapi
-ExecStart=/home/openapi/env/general/bin/python /home/openapi/source/openapi/main.py
+WorkingDirectory=/home/openapi/source
+ExecStart=/home/openapi/env/general/bin/python /home/openapi/source/main.py
 Restart=always
 RestartSec=5
 StandardOutput=append:/var/log/openapi.log