feat: basecamp-project skill

.pi/gsd/workflows/add-phase.md

@@ -0,0 +1,135 @@
+<gsd-version v="1.12.5" />
+
+<gsd-arguments>
+  <settings>
+    <keep-extra-args />
+  </settings>
+  <arg name="description" type="string" optional />
+</gsd-arguments>
+
+<gsd-execute>
+  <shell command="pi-gsd-tools">
+    <args>
+      <arg string="init" />
+      <arg string="phase-op" />
+      <arg string="0" />
+    </args>
+    <outs>
+      <out type="string" name="init" />
+    </outs>
+  </shell>
+  <if>
+    <condition>
+      <starts-with>
+        <left name="init" />
+        <right type="string" value="@file:" />
+      </starts-with>
+    </condition>
+    <then>
+      <string-op op="split">
+        <args>
+          <arg name="init" />
+          <arg type="string" value="@file:" />
+        </args>
+        <outs>
+          <out type="string" name="init-file" />
+        </outs>
+      </string-op>
+      <shell command="cat">
+        <args>
+          <arg name="init-file" wrap='"' />
+        </args>
+        <outs>
+          <out type="string" name="init" />
+        </outs>
+      </shell>
+    </then>
+  </if>
+  <shell command="pi-gsd-tools">
+    <args>
+      <arg string="phase" />
+      <arg string="add-batch" />
+      <arg name="description" wrap='"' />
+    </args>
+    <outs>
+      <out type="string" name="batch-result" />
+    </outs>
+  </shell>
+</gsd-execute>
+
+## Context (pre-injected by WXP)
+
+**Init:**
+<gsd-paste name="init" />
+
+**Phases added:**
+<gsd-paste name="batch-result" />
+
+<process>
+
+<step name="parse_arguments">
+If no description was provided (check `<gsd-paste name="description" />` is empty):
+
+```
+ERROR: Phase description required
+Usage: /gsd-add-phase <description>
+       /gsd-add-phase <desc1> + <desc2> + ...
+Example: /gsd-add-phase Add authentication system
+```
+
+Exit.
+</step>
+
+<step name="check_result">
+The `batch-result` JSON above was already executed by WXP before this message
+reached you. Parse it:
+
+- If it contains an error field → report the error and exit.
+- Otherwise extract `phases[]` — each has `phase_number`, `padded`, `name`,
+  `slug`, `directory`.
+
+Do NOT run `pi-gsd-tools phase add` again, do NOT inspect `.planning/phases/`
+or ROADMAP.md — everything is already done.
+</step>
+
+<step name="completion">
+Present a completion summary:
+
+```
+Added <count> phase(s):
+
+<for each phase in phases[]>
+• Phase <phase_number>: <name>
+  Directory: <directory>
+</for>
+
+Roadmap updated: .planning/ROADMAP.md
+State updated:   .planning/STATE.md
+
+---
+
+## ▶ Next Up
+
+**Phase <last phase_number>: <last name>**
+
+`/gsd-plan-phase <last phase_number>`
+
+<sub>`/clear` first → fresh context window</sub>
+
+---
+
+**Also available:**
+- `/gsd-add-phase <description>` — add another phase
+- `/gsd-plan-phase <N>` — plan any of the new phases
+```
+</step>
+
+</process>
+
+<success_criteria>
+- [ ] `pi-gsd-tools phase add-batch` executed by WXP (not by the agent)
+- [ ] Phase directories created under `.planning/phases/`
+- [ ] ROADMAP.md updated with all new phase entries
+- [ ] STATE.md Roadmap Evolution updated (handled inside add-batch)
+- [ ] Agent presented the pre-injected result — no filesystem exploration
+</success_criteria>