Filter model selector by API keys and add user-facing documentation

- Model selector now only shows models with configured API keys
- Added yellow hint in model selector UI explaining the filtering
- Updated README.md to document the filtering behavior in both API Keys and /model sections
- Bumped version to 0.7.11

package-lock.json

@@ -3193,7 +3193,7 @@
 		},
 		"packages/agent": {
 			"name": "@mariozechner/pi-agent",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@mariozechner/pi-ai": "^0.7.10",
@@ -3223,7 +3223,7 @@
 		},
 		"packages/ai": {
 			"name": "@mariozechner/pi-ai",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@anthropic-ai/sdk": "^0.61.0",
@@ -3270,7 +3270,7 @@
 		},
 		"packages/coding-agent": {
 			"name": "@mariozechner/pi-coding-agent",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@mariozechner/pi-agent": "^0.7.10",
@@ -3317,7 +3317,7 @@
 		},
 		"packages/pods": {
 			"name": "@mariozechner/pi",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@mariozechner/pi-agent": "^0.7.10",
@@ -3343,7 +3343,7 @@
 		},
 		"packages/proxy": {
 			"name": "@mariozechner/pi-proxy",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"dependencies": {
 				"@hono/node-server": "^1.14.0",
 				"hono": "^4.6.16"
@@ -3359,7 +3359,7 @@
 		},
 		"packages/tui": {
 			"name": "@mariozechner/pi-tui",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@types/mime-types": "^2.1.4",
@@ -3398,7 +3398,7 @@
 		},
 		"packages/web-ui": {
 			"name": "@mariozechner/pi-web-ui",
-			"version": "0.7.10",
+			"version": "0.7.11",
 			"license": "MIT",
 			"dependencies": {
 				"@lmstudio/sdk": "^1.5.0",