feat: add vision and extension management to WebUI

pi-web/lib/i18n/messages/en.ts

@@ -11,6 +11,8 @@ export const enLocale: LocalePlugin = {
     "common.mcp": "MCP",
     "common.skills": "Skills",
     "common.plugins": "Plugins",
+    "common.extensions": "Extensions",
+    "common.vision": "Vision",
     "sidebar.hide": "Hide sidebar",
     "sidebar.show": "Show sidebar",
     "theme.light": "Switch to light mode",
@@ -43,7 +45,7 @@ export const enLocale: LocalePlugin = {
     "session.output": "Output",
     "session.cacheRead": "Cache Read",
     "session.cacheWrite": "Cache Write",
-    "session.cacheHitRate": "Cache Hit Rate",
+    "session.cacheHitRate": "Cache Hit Rate (Main Session)",
     "session.cost": "Cost",
     "session.context": "Context",
     "session.copy": "Copy {value}",
@@ -259,6 +261,25 @@ export const enLocale: LocalePlugin = {
     "mcp.noServers": "No MCP servers configured",
     "mcp.selectServer": "Select a server to edit",
     "mcp.restartHint": "Saved changes apply after restarting pi (or /reload).",
+    "vision.title": "Vision config",
+    "vision.loading": "Loading…",
+    "vision.backend.ollama": "Local Ollama",
+    "vision.backend.ollamaHint": "Free and private — needs a local Ollama with a vision model pulled",
+    "vision.backend.openai": "OpenAI-compatible API",
+    "vision.backend.openaiHint": "Any OpenAI-compatible vision endpoint (cloud or self-hosted)",
+    "vision.ollama.host": "Ollama address",
+    "vision.ollama.hostPlaceholder": "e.g. http://localhost:11434",
+    "vision.ollama.model": "Vision model",
+    "vision.ollama.modelPlaceholder": "e.g. qwen3-vl:8b",
+    "vision.openai.baseUrl": "Base URL",
+    "vision.openai.baseUrlPlaceholder": "e.g. https://api.openai.com/v1",
+    "vision.openai.apiKey": "API Key",
+    "vision.openai.model": "Model",
+    "vision.openai.modelPlaceholder": "e.g. gpt-4o-mini / glm-4.5v",
+    "vision.effective": "Saved config takes effect on the next image request — no restart needed. Uploaded images are auto-transcribed into text for text-only main models (e.g. DeepSeek).",
+    "vision.loadFailed": "Failed to load / save config",
+    "vision.save": "Save",
+    "vision.saved": "Saved — takes effect on the next image request",
     "i18n.close": "Close",
     "i18n.copy": "Copy",
     "i18n.copied": "Copied",
@@ -389,6 +410,19 @@ export const enLocale: LocalePlugin = {
     "i18n.configuredVersion": "configured {version}",
     "i18n.extensions": "Extensions",
     "i18n.prompts": "Prompts",
+    "extensions.app": "App",
+    "extensions.project": "Project",
+    "extensions.builtin": "Built-in",
+    "extensions.enabled": "enabled",
+    "extensions.disabled": "disabled",
+    "extensions.blocked": "blocked",
+    "extensions.total": "extensions",
+    "extensions.status": "Status",
+    "extensions.source": "Source",
+    "extensions.path": "Path",
+    "extensions.noExtensions": "No direct extensions found",
+    "extensions.projectResourcesBlocked": "Project extensions are blocked until this project is trusted.",
+    "extensions.diagnostics": "diagnostics",
     "i18n.themes": "Themes",
     "i18n.resourceCount": "{count} {label}",
     "i18n.extensionShort": "ext",