chore: initialize tessl with vendored mode and MCP configs

Run tessl init to generate MCP configs for 5 agents (Claude Code,
Gemini CLI, Codex, GitHub Copilot CLI, GitHub Copilot for VS Code).
Track .mcp.json and .vscode/mcp.json for team sharing. Gitignore
.tessl/session-data/ and .playwright-mcp/.

.codex/config.toml

@@ -0,0 +1,4 @@
+[mcp_servers.tessl]
+type = "stdio"
+command = "tessl"
+args = [ "mcp", "start" ]

.gemini/settings.json

@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}

.gitignore

@@ -398,7 +398,9 @@ replay_pid*
 
 # IDEs
 .idea/
-.vscode/
+.vscode/*
+!.vscode/mcp.json
+!.vscode/extensions.json
 
 # Nuitka
 **/dist-nuitka/**
@@ -409,8 +411,11 @@ replay_pid*
 # Mac
 .DS_Store
 
+# Playwright MCP
+.playwright-mcp/
+
 # Tessl — .tessl/.gitignore handles tiles/RULES.md internally
-.mcp.json
+.tessl/session-data/
 
 # Claude Code — track shared config, ignore local state
 .claude/*

.mcp.json

@@ -0,0 +1,12 @@
+{
+  "mcpServers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}

.vscode/mcp.json

@@ -0,0 +1,12 @@
+{
+  "servers": {
+    "tessl": {
+      "type": "stdio",
+      "command": "tessl",
+      "args": [
+        "mcp",
+        "start"
+      ]
+    }
+  }
+}