Add /switch-agent for per-tab AI agent selection

src/cascadia/inc/AgentRegistry.h

@@ -37,6 +37,8 @@
     // (claude via @agentclientprotocol/claude-agent-acp, codex via
     // @zed-industries/codex-acp).
     // Only these agents can be hosted in an agent pane.
+    // Ollama is intentionally absent: it has no ACP adapter and cannot be
+    // hosted in an agent pane. It is delegate-only (see BuiltinDelegateAgents).
     inline constexpr std::array<BuiltinAgent, 4> BuiltinAcpAgents{ {
         { L"copilot", L"GitHub Copilot" },
         { L"claude", L"Claude" },
@@ -48,11 +50,12 @@
     // similar flows. The set is broader than ACP because delegation doesn't
     // require an ACP-speaking agent — any CLI agent that accepts a prompt
     // as input works.
-    inline constexpr std::array<BuiltinAgent, 4> BuiltinDelegateAgents{ {
+    inline constexpr std::array<BuiltinAgent, 5> BuiltinDelegateAgents{ {
         { L"copilot", L"GitHub Copilot" },
         { L"claude", L"Claude" },
         { L"codex", L"Codex" },
         { L"gemini", L"Gemini" },
+        { L"ollama", L"Ollama" },
     } };
 
     // Return only agents whose IDs are permitted by GPO policy.

tools/wta/locales/af-ZA.yml

@@ -208,3 +208,9 @@ model_picker.title: "Kies model (↑ ↓ • Enter • Esc)"  # {Locked="↑","
 system.no_models: "Die gekoppelde agent het geen kiesbare modelle aangekondig nie."
 system.model_set: "Model vir hierdie paneel gestel op %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Onbekende model %{model} — tik /model om die beskikbare lys te sien."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/am-ET.yml

@@ -208,3 +208,9 @@ model_picker.title: "ሞዴል ይምረጡ (↑ ↓ • Enter • Esc)"  # {Loc
 system.no_models: "የተገናኘው ኤጅንት ምንም ሊመረጥ የሚችል ሞዴል አላስታወቀም።"
 system.model_set: "የዚህ ፓነል ሞዴል ወደ %{model} ተቀናብሯል።"  # {Locked="%{model}"}
 system.model_unknown: "ያልታወቀ ሞዴል %{model} — የሚገኘውን ዝርዝር ለማየት /model ይተይቡ።"  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/ar-SA.yml

@@ -209,3 +209,9 @@ model_picker.title: "اختر النموذج (↑ ↓ • Enter • Esc)"  # {Lo
 system.no_models: "لم يُعلن عامل الذكاء الاصطناعي المتصل عن أي نماذج قابلة للاختيار."
 system.model_set: "تم تعيين نموذج هذه اللوحة إلى %{model}."  # {Locked="%{model}"}
 system.model_unknown: "نموذج غير معروف %{model} — اكتب /model لعرض القائمة المتاحة."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/as-IN.yml

@@ -210,3 +210,9 @@ model_picker.title: "মডেল বাছনি কৰক (↑ ↓ • Enter 
 system.no_models: "সংযুক্ত এজেণ্টে কোনো বাছনিযোগ্য মডেল ঘোষণা কৰা নাই।"
 system.model_set: "এই পেনৰ বাবে মডেল %{model} লৈ ছেট কৰা হ'ল।"  # {Locked="%{model}"}
 system.model_unknown: "অজ্ঞাত মডেল %{model} — উপলব্ধ তালিকা চাবলৈ /model টাইপ কৰক।"  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/az-Latn-AZ.yml

@@ -209,3 +209,9 @@ model_picker.title: "Model seçin (↑ ↓ • Enter • Esc)"  # {Locked="↑",
 system.no_models: "Qoşulmuş agent heç bir seçilə bilən model elan etmədi."
 system.model_set: "Bu panel üçün model %{model} olaraq təyin edildi."  # {Locked="%{model}"}
 system.model_unknown: "Naməlum model %{model} — əlçatan siyahını görmək üçün /model yazın."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/bg-BG.yml

@@ -209,3 +209,9 @@ model_picker.title: "Изберете модел (↑ ↓ • Enter • Esc)"  #
 system.no_models: "Свързаният агент не обяви никакви избираеми модели."
 system.model_set: "Моделът за този панел е зададен на %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Неизвестен модел %{model} — въведете /model, за да видите наличния списък."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/bn-IN.yml

@@ -210,3 +210,9 @@ model_picker.title: "মডেল নির্বাচন করুন (↑ ↓
 system.no_models: "সংযুক্ত এজেন্ট কোনো নির্বাচনযোগ্য মডেল ঘোষণা করেনি।"
 system.model_set: "এই পেনের জন্য মডেল %{model}-এ সেট করা হয়েছে।"  # {Locked="%{model}"}
 system.model_unknown: "অজানা মডেল %{model} — উপলব্ধ তালিকা দেখতে /model টাইপ করুন।"  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/bs-Latn-BA.yml

@@ -209,3 +209,9 @@ model_picker.title: "Izaberite model (↑ ↓ • Enter • Esc)"  # {Locked="
 system.no_models: "Povezani agent nije oglasio nijedan model koji se može izabrati."
 system.model_set: "Model za ovaj panel postavljen je na %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Nepoznat model %{model} — upišite /model da vidite dostupnu listu."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/ca-ES.yml

@@ -209,3 +209,9 @@ model_picker.title: "Seleccioneu el model (↑ ↓ • Enter • Esc)"  # {Locke
 system.no_models: "L’agent connectat no ha anunciat cap model seleccionable."
 system.model_set: "El model d’aquest tauler s’ha establert a %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Model desconegut %{model} — escriviu /model per veure la llista disponible."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/ca-Es-VALENCIA.yml

@@ -209,3 +209,9 @@ model_picker.title: "Seleccioneu el model (↑ ↓ • Enter • Esc)"  # {Locke
 system.no_models: "L’agent connectat no ha anunciat cap model seleccionable."
 system.model_set: "El model d’este panell s’ha establit a %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Model desconegut %{model} — escriviu /model per a vore la llista disponible."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/cs-CZ.yml

@@ -209,3 +209,9 @@ model_picker.title: "Vyberte model (↑ ↓ • Enter • Esc)"  # {Locked="↑"
 system.no_models: "Připojený agent neohlásil žádné dostupné modely."
 system.model_set: "Model pro tento panel nastaven na %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Neznámý model %{model} — zadáním /model zobrazíte dostupný seznam."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/cy-GB.yml

@@ -208,3 +208,9 @@ model_picker.title: "Dewiswch model (↑ ↓ • Enter • Esc)"  # {Locked="↑
 system.no_models: "Ni hysbysebodd yr asiant cysylltiedig unrhyw fodelau dethol."
 system.model_set: "Gosodwyd y model ar gyfer y paen hwn i %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Model anhysbys %{model} — teipiwch /model i weld y rhestr sydd ar gael."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/da-DK.yml

@@ -209,3 +209,9 @@ model_picker.title: "Vælg model (↑ ↓ • Enter • Esc)"  # {Locked="↑","
 system.no_models: "Den tilsluttede agent annoncerede ingen modeller, der kan vælges."
 system.model_set: "Modellen til denne panel er angivet til %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Ukendt model %{model} — skriv /model for at se den tilgængelige liste."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/de-DE.yml

@@ -209,3 +209,9 @@ model_picker.title: "Modell auswählen (↑ ↓ • Enter • Esc)"  # {Locked="
 system.no_models: "Der verbundene Agent hat keine auswählbaren Modelle angekündigt."
 system.model_set: "Modell für diesen Bereich auf %{model} festgelegt."  # {Locked="%{model}"}
 system.model_unknown: "Unbekanntes Modell %{model} — geben Sie /model ein, um die verfügbare Liste anzuzeigen."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/el-GR.yml

@@ -208,3 +208,9 @@ model_picker.title: "Επιλέξτε μοντέλο (↑ ↓ • Enter • Esc)
 system.no_models: "Ο συνδεδεμένος agent δεν δήλωσε κανένα επιλέξιμο μοντέλο."
 system.model_set: "Το μοντέλο για αυτό το πλαίσιο ορίστηκε σε %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Άγνωστο μοντέλο %{model} — πληκτρολογήστε /model για να δείτε τη διαθέσιμη λίστα."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/en-GB.yml

@@ -209,3 +209,9 @@ model_picker.title: "Select model (↑ ↓ • Enter • Esc)"  # {Locked="↑",
 system.no_models: "The connected agent did not advertise any selectable models."
 system.model_set: "Model for this pane set to %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Unknown model %{model} — type /model to see the available list."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/en-US.yml

@@ -93,6 +93,7 @@ commands.restart.summary: "Restart agent"
 commands.stop.summary: "Cancel the in-flight prompt"
 commands.sessions.summary: "Open the historical sessions picker (Ctrl+Shift+/)"  # {Locked="Ctrl+Shift+/"}
 commands.model.summary: "Pick the model for this pane (/model <id> to switch directly)"  # {Locked="/model","<id>"}
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"  # {Locked="/switch-agent","<name>"}
 
 # ── Model picker (src/ui/model_popup.rs) ────────────────────────────────────
 # {Locked="↑","↓","Enter","Esc"} - key names, do not translate
@@ -103,6 +104,14 @@ system.no_models: "The connected agent did not advertise any selectable models."
 system.model_set: "Model for this pane set to %{model}."
 # {model} is the unrecognized text the user typed after /model.
 system.model_unknown: "Unknown model %{model} — type /model to see the available list."
+# /switch-agent messages. {agents} is a comma-separated list of known agent ids.
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."  # {Locked="/switch-agent","<name>"}
+# {agent} is the unrecognized name the user typed after /switch-agent.
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+# {agent} is the display name of the agent being switched to (e.g. "Claude").
+system.switch_agent_switching: "Switching to %{agent}..."
+# Confirmation shown in chat after the switch is initiated.
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."
 
 # ── Recommendations panel (src/ui/recommendations.rs) ───────────────────────
 # {Locked="Enter","Esc","↑","↓","←","→","↵"} - key names and arrow/Return-key

tools/wta/locales/es-ES.yml

@@ -209,3 +209,9 @@ model_picker.title: "Seleccionar modelo (↑ ↓ • Enter • Esc)"  # {Locked=
 system.no_models: "El agente conectado no anunció ningún modelo seleccionable."
 system.model_set: "El modelo para este panel se ha establecido en %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Modelo desconocido %{model} — escriba /model para ver la lista disponible."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/es-MX.yml

@@ -209,3 +209,9 @@ model_picker.title: "Seleccionar modelo (↑ ↓ • Enter • Esc)"  # {Locked=
 system.no_models: "El agente conectado no anunció ningún modelo seleccionable."
 system.model_set: "El modelo para este panel se estableció en %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Modelo desconocido %{model} — escribe /model para ver la lista disponible."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."

tools/wta/locales/et-EE.yml

@@ -209,3 +209,9 @@ model_picker.title: "Valige mudel (↑ ↓ • Enter • Esc)"  # {Locked="↑",
 system.no_models: "Ühendatud agent ei reklaaminud ühtegi valitavat mudelit."
 system.model_set: "Selle paani mudeliks määrati %{model}."  # {Locked="%{model}"}
 system.model_unknown: "Tundmatu mudel %{model} — tippige /model saadaolevate mudelite loendi nägemiseks."  # {Locked="%{model}","/model"}
+
+commands.switch_agent.summary: "Switch this pane to a different AI agent (/switch-agent <name>)"
+system.switch_agent_list: "Available agents: %{agents}. Use /switch-agent <name> to switch."
+system.switch_agent_unknown: "Unknown agent \"%{agent}\". Available agents: %{agents}."
+system.switch_agent_switching: "Switching to %{agent}..."
+system.switch_agent_switched: "Switching this pane to %{agent}. Starting a new session."