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.claude/commands/pkm:gcal-today.md

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+You are helping fetch today's Google Calendar events using gcalcli.
+
+## Context
+- Calendar: 00_Schedule (main calendar only)
+- Tool: gcalcli CLI
+- Authentication: OAuth credentials at `~/.gcalcli_oauth`
+
+## Task
+Fetch and display today's calendar events from 00_Schedule calendar using gcalcli.
+
+### Steps:
+
+1. **Determine today's date**
+   - Get current date in YYYY-MM-DD format
+   - Set time range: 00:00 to 23:59
+
+2. **Execute gcalcli command**
+   ```bash
+   gcalcli --calendar "00_Schedule" agenda "YYYY-MM-DD 00:00" "YYYY-MM-DD 23:59"
+   ```
+
+3. **Parse gcalcli output**
+   - gcalcli returns format: `HH:MM  Event Title`
+   - Extract start time, end time (if available), and event title
+
+4. **Format for PKM review**
+   - Clean and format output
+   - Group by time
+   - Count total events
+
+### Output Format
+
+```markdown
+**2025-11-19 Calendar Events:**
+
+- 09:00-10:00: Team Standup
+- 11:00-12:00: Deep Work Block
+- 14:00-15:00: 1-on-1 with Sarah
+- 16:00-17:00: Code Review Session
+
+**Total:** 4 events
+```
+
+### gcalcli Command
+
+```bash
+gcalcli --calendar "00_Schedule" \
+        agenda \
+        "$(date '+%Y-%m-%d') 00:00" \
+        "$(date '+%Y-%m-%d') 23:59"
+```
+
+### Error Handling
+
+**If gcalcli not installed:**
+- Message: "gcalcli not found. Install with: pip install gcalcli"
+- Provide installation instructions
+
+**If not authenticated:**
+- Message: "Not authenticated. Run: gcalcli init"
+- Guide OAuth setup process
+
+**If no events:**
+- Message: "No calendar events scheduled for today."
+
+**If calendar not found:**
+- Message: "Calendar '00_Schedule' not found. Check calendar name in Google Calendar."
+
+### Integration with Daily Review
+
+This command is automatically called by `/pkm:daily-review` to populate the "시간 사용" section.
+
+**Daily review will combine:**
+- Pomodoros from TaskNotes YAML
+- Calendar events from this command
+
+### Notes
+
+- Only fetches from 00_Schedule calendar
+- Real-time data from Google Calendar API
+- Requires internet connection
+- OAuth token refreshes automatically