fix(ai): bound the provider test and explain why it failed (#3319)

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
Co-authored-by: Amruth Pillai <im.amruth@gmail.com>

apps/web/locales/km-KH.po

@@ -985,6 +985,10 @@ msgstr "បានភ្ជាប់"
 msgid "Connection failed"
 msgstr "ការតភ្ជាប់បរាជ័យ"
 
+#: src/features/settings/integrations/components/ai-section.tsx
+msgid "Connection failed."
+msgstr ""
+
 #: src/features/settings/integrations/components/ai-section.tsx
 msgid "Connection verified — provider is ready to use."
 msgstr "ការភ្ជាប់ត្រូវបានផ្ទៀងផ្ទាត់ — អ្នកផ្តល់សេវារួចរាល់សម្រាប់ប្រើប្រាស់។"
@@ -4309,6 +4313,10 @@ msgstr "ស្ថិតិ"
 msgid "Stay"
 msgstr "ស្ថិត"
 
+#: src/features/settings/integrations/components/ai-section.tsx
+msgid "Still waiting for {provider}… {elapsedSeconds}s"
+msgstr ""
+
 #: src/routes/agent/-components/agent-chat.tsx
 msgid "Stop generation"
 msgstr "បញ្ឈប់ការបង្កើត"
@@ -4441,6 +4449,10 @@ msgstr "សក្ខីកម្ម"
 msgid "Testing…"
 msgstr "កំពុងសាកល្បង…"
 
+#: src/features/settings/integrations/components/ai-section.tsx
+msgid "Testing… {elapsedSeconds}s"
+msgstr ""
+
 #: src/components/input/rich-input.tsx
 msgid "Text alignment"
 msgstr "ការតម្រឹមអត្ថបទ"
@@ -5399,4 +5411,3 @@ msgstr "បង្រួម"
 #: src/libs/locale.ts
 msgid "Zulu"
 msgstr "Zulu"
-