chore: initial project setup with agent guide

.agent/skills/gsd-quick/SKILL.md

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+---
+name: gsd-quick
+description: Execute a quick task with GSD guarantees (atomic commits, state tracking) but skip optional agents
+---
+
+<objective>
+Execute small, ad-hoc tasks with GSD guarantees (atomic commits, STATE.md tracking).
+
+Quick mode is the same system with a shorter path:
+- Spawns gsd-planner (quick mode) + gsd-executor(s)
+- Quick tasks live in `.planning/quick/` separate from planned phases
+- Updates STATE.md "Quick Tasks Completed" table (NOT ROADMAP.md)
+
+**Default:** Skips research, discussion, plan-checker, verifier. Use when you know exactly what to do.
+
+**`--discuss` flag:** Lightweight discussion phase before planning. Surfaces assumptions, clarifies gray areas, captures decisions in CONTEXT.md. Use when the task has ambiguity worth resolving upfront.
+
+**`--full` flag:** Enables plan-checking (max 2 iterations) and post-execution verification. Use when you want quality guarantees without full milestone ceremony.
+
+**`--research` flag:** Spawns a focused research agent before planning. Investigates implementation approaches, library options, and pitfalls for the task. Use when you're unsure of the best approach.
+
+Flags are composable: `--discuss --research --full` gives discussion + research + plan-checking + verification.
+</objective>
+
+<execution_context>
+@.agent/get-shit-done/workflows/quick.md
+</execution_context>
+
+<context>
+$ARGUMENTS
+
+Context files are resolved inside the workflow (`init quick`) and delegated via `<files_to_read>` blocks.
+</context>
+
+<process>
+Execute the quick workflow from @.agent/get-shit-done/workflows/quick.md end-to-end.
+Preserve all workflow gates (validation, task description, planning, execution, state updates, commits).
+</process>