add cline acp support

lua/agentic/acp/adapters/cline_acp_adapter.lua

@@ -0,0 +1,21 @@
+local ACPClient = require("agentic.acp.acp_client")
+
+--- Cline-specific adapter that extends ACPClient with Cline-specific behaviors
+--- @class agentic.acp.ClineACPAdapter : agentic.acp.ACPClient
+local ClineACPAdapter = setmetatable({}, { __index = ACPClient })
+ClineACPAdapter.__index = ClineACPAdapter
+
+--- @param config agentic.acp.ACPProviderConfig
+--- @param on_ready fun(client: agentic.acp.ACPClient)
+--- @return agentic.acp.ClineACPAdapter
+function ClineACPAdapter:new(config, on_ready)
+    -- Call parent constructor with parent class
+    self = ACPClient.new(ACPClient, config, on_ready)
+
+    -- Re-metatable to child class for proper inheritance chain
+    self = setmetatable(self, ClineACPAdapter) --[[@as agentic.acp.ClineACPAdapter]]
+
+    return self
+end
+
+return ClineACPAdapter

lua/agentic/acp/agent_instance.lua

@@ -70,6 +70,10 @@ function AgentInstance.get_instance(provider_name, on_ready)
         local MistralVibeACPAdapter =
             require("agentic.acp.adapters.mistral_vibe_acp_adapter")
         client = MistralVibeACPAdapter:new(config, on_ready)
+    elseif provider_name == "cline-acp" then
+        local ClineACPAdapter =
+            require("agentic.acp.adapters.cline_acp_adapter")
+        client = ClineACPAdapter:new(config, on_ready)
     else
         error("Unsupported ACP provider: " .. provider_name)
     end

lua/agentic/config_default.lua

@@ -6,6 +6,7 @@
 --- | "cursor-acp"
 --- | "auggie-acp"
 --- | "mistral-vibe-acp"
+--- | "cline-acp"
 
 --- @alias agentic.UserConfig.HeaderRenderFn fun(parts: agentic.ui.ChatWidget.HeaderParts): string|nil
 
@@ -108,6 +109,13 @@ local ConfigDefault = {
             args = {},
             env = {},
         },
+
+        ["cline-acp"] = {
+            name = "Cline ACP",
+            command = "cline",
+            args = { "--acp" },
+            env = {},
+        },
     },
 
     --- @class agentic.UserConfig.Windows.Chat