[codex] add coding plan site initialization flow (#351)

* add coding plan site initialization flow

* fix ci for coding plan site init flow

* address coding plan review comments

src/server/services/platforms/sub2api.ts

@@ -9,9 +9,10 @@ import {
   type SiteAnnouncement,
   UserInfo,
 } from './base.js';
+import { stripTrailingSlashes } from '../urlNormalization.js';
 
 function normalizeBaseUrl(baseUrl: string): string {
-  return (baseUrl || '').replace(/\/+$/, '');
+  return stripTrailingSlashes(baseUrl || '');
 }
 
 /**

src/server/services/platforms/titleHint.ts

@@ -1,3 +1,5 @@
+import { stripTrailingSlashes } from '../urlNormalization.js';
+
 export type TitleHintPlatform =
   | 'anyrouter'
   | 'done-hub'
@@ -34,7 +36,7 @@ function normalizeBaseUrl(url: string): string {
     const parsed = new URL(trimmed);
     return `${parsed.protocol}//${parsed.host}`;
   } catch {
-    return trimmed.replace(/\/+$/, '');
+    return stripTrailingSlashes(trimmed);
   }
 }
 

src/server/services/siteDetector.ts

@@ -1,7 +1,17 @@
 import { detectPlatform } from './platforms/index.js';
+import { detectSiteInitializationPreset } from '../../shared/siteInitializationPresets.js';
+import { stripTrailingSlashes } from './urlNormalization.js';
 
 export async function detectSite(url: string) {
-  const normalizedUrl = url.replace(/\/+$/, '');
+  const normalizedUrl = stripTrailingSlashes(url);
+  const preset = detectSiteInitializationPreset(normalizedUrl);
+  if (preset) {
+    return {
+      url: normalizedUrl,
+      platform: preset.platform,
+      initializationPresetId: preset.id,
+    };
+  }
   const adapter = await detectPlatform(normalizedUrl);
   if (!adapter) return null;
   return { url: normalizedUrl, platform: adapter.platformName };

src/server/services/siteProxy.ts

@@ -10,6 +10,7 @@ import type { Dispatcher, RequestInit as UndiciRequestInit } from 'undici';
 import { Agent as UndiciAgent, ProxyAgent } from 'undici';
 import { mergeHeadersWithSiteCustomHeaders } from './siteCustomHeaders.js';
 import { getProxyUrlFromExtraConfig } from './accountExtraConfig.js';
+import { stripTrailingSlashes } from './urlNormalization.js';
 
 const SITE_PROXY_CACHE_TTL_MS = 3_000;
 const SUPPORTED_PROXY_PROTOCOLS = new Set([
@@ -100,11 +101,10 @@ function normalizeSiteUrl(value: string): string {
 
   try {
     const parsed = new URL(trimmed);
-    const pathname = parsed.pathname.replace(/\/+$/, '');
-    const normalizedPath = pathname === '/' ? '' : pathname;
+    const normalizedPath = stripTrailingSlashes(parsed.pathname);
     return `${parsed.origin}${normalizedPath}`;
   } catch {
-    return trimmed.replace(/\/+$/, '');
+    return stripTrailingSlashes(trimmed);
   }
 }
 

src/server/services/urlNormalization.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from 'vitest';
+
+import { stripTrailingSlashes } from './urlNormalization.js';
+
+describe('stripTrailingSlashes', () => {
+  it('removes trailing slashes without using regex behavior', () => {
+    expect(stripTrailingSlashes('')).toBe('');
+    expect(stripTrailingSlashes('https://api.example.com')).toBe('https://api.example.com');
+    expect(stripTrailingSlashes('https://api.example.com///')).toBe('https://api.example.com');
+    expect(stripTrailingSlashes('/api/v1///')).toBe('/api/v1');
+    expect(stripTrailingSlashes('////')).toBe('');
+  });
+});

src/server/services/urlNormalization.ts

@@ -0,0 +1,7 @@
+export function stripTrailingSlashes(value: string): string {
+  let end = value.length;
+  while (end > 0 && value.charCodeAt(end - 1) === 47) {
+    end -= 1;
+  }
+  return end === value.length ? value : value.slice(0, end);
+}