feat: initial release of codetyper.nvim v0.2.0

AI-powered coding partner for Neovim with LLM integration.

Features:
- Split view for coder files (*.coder.*) and target files
- Tag-based prompts with /@ and @/ syntax
- Claude API and Ollama (local) LLM support
- Smart prompt detection (refactor, add, document, explain)
- Automatic code injection into target files
- Project tree logging (.coder/tree.log)
- Auto .gitignore management

Ask Panel (chat interface):
- Fixed at 1/4 screen width
- File attachment with @ key
- Ctrl+n for new chat
- Ctrl+Enter to submit
- Proper window close behavior
- Navigation with Ctrl+h/j/k/l

Commands: Coder, CoderOpen, CoderClose, CoderToggle,
CoderProcess, CoderAsk, CoderTree, CoderTreeView

lua/codetyper/health.lua

@@ -0,0 +1,91 @@
+---@mod codetyper.health Health check for Codetyper.nvim
+
+local M = {}
+
+local health = vim.health or require("health")
+
+--- Run health checks
+function M.check()
+  health.start("Codetyper.nvim")
+
+  -- Check Neovim version
+  if vim.fn.has("nvim-0.8.0") == 1 then
+    health.ok("Neovim version >= 0.8.0")
+  else
+    health.error("Neovim 0.8.0+ required")
+  end
+
+  -- Check if plugin is initialized
+  local ok, codetyper = pcall(require, "codetyper")
+  if ok and codetyper.is_initialized() then
+    health.ok("Plugin initialized")
+  else
+    health.info("Plugin not yet initialized (call setup() first)")
+  end
+
+  -- Check curl availability
+  if vim.fn.executable("curl") == 1 then
+    health.ok("curl is available")
+  else
+    health.error("curl is required for LLM API calls")
+  end
+
+  -- Check LLM configuration
+  if ok and codetyper.is_initialized() then
+    local config = codetyper.get_config()
+
+    health.info("LLM Provider: " .. config.llm.provider)
+
+    if config.llm.provider == "claude" then
+      local api_key = config.llm.claude.api_key or vim.env.ANTHROPIC_API_KEY
+      if api_key and api_key ~= "" then
+        health.ok("Claude API key configured")
+      else
+        health.warn("Claude API key not set. Set ANTHROPIC_API_KEY or llm.claude.api_key")
+      end
+      health.info("Claude model: " .. config.llm.claude.model)
+    elseif config.llm.provider == "ollama" then
+      health.info("Ollama host: " .. config.llm.ollama.host)
+      health.info("Ollama model: " .. config.llm.ollama.model)
+
+      -- Try to check Ollama connectivity
+      local ollama = require("codetyper.llm.ollama")
+      ollama.health_check(function(is_ok, err)
+        if is_ok then
+          vim.schedule(function()
+            health.ok("Ollama is reachable")
+          end)
+        else
+          vim.schedule(function()
+            health.warn("Cannot connect to Ollama: " .. (err or "unknown error"))
+          end)
+        end
+      end)
+    end
+  end
+
+  -- Check optional dependencies
+  if pcall(require, "telescope") then
+    health.ok("telescope.nvim is available (enhanced file picker)")
+  else
+    health.info("telescope.nvim not found (using basic file picker)")
+  end
+
+  -- Check .gitignore configuration
+  local utils = require("codetyper.utils")
+  local gitignore = require("codetyper.gitignore")
+
+  local root = utils.get_project_root()
+  if root then
+    health.info("Project root: " .. root)
+    if gitignore.is_ignored() then
+      health.ok("Coder files are in .gitignore")
+    else
+      health.warn("Coder files not in .gitignore (will be added on setup)")
+    end
+  else
+    health.info("No project root detected")
+  end
+end
+
+return M