Add ai-code-project-template repo files.

.gemini/commands/ultrathink-task.toml

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+description = "Ultrathink a task"
+prompt = """
+## Usage
+
+`/ultrathink-task <TASK_DESCRIPTION>`
+
+## Context
+
+- Task description: {{args}}
+- Relevant code or files will be referenced ad-hoc using @ file syntax.
+
+## Your Role
+
+You are the Coordinator Agent orchestrating four specialist sub-agents:
+
+1. Architect Agent - designs high-level approach.
+2. Research Agent - gathers external knowledge and precedent.
+3. Coder Agent - writes or edits code.
+4. Tester Agent - proposes tests and validation strategy.
+
+## Process
+
+1. Think step-by-step, laying out assumptions and unknowns.
+2. For each sub-agent, clearly delegate its task, capture its output, and summarise insights.
+3. Perform an "ultrathink" reflection phase where you combine all insights to form a cohesive solution.
+4. If gaps remain, iterate (spawn sub-agents again) until confident.
+
+## Output Format
+
+1. **Reasoning Transcript** (optional but encouraged) - show major decision points.
+2. **Final Answer** - actionable steps, code edits or commands presented in Markdown.
+3. **Next Actions** - bullet list of follow-up items for the team (if any).
+"""