feat(dashboard): add dashboard skill for milestone/issue overview

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

skills/dashboard/SKILL.md

@@ -0,0 +1,47 @@
+---
+name: dashboard
+description: >
+  Display milestones with unblocked issues at a glance.
+  Use when you want to see project progress and which issues are ready to work on.
+  Invoke with /dashboard [milestone-name-filter]
+model: claude-haiku-4-5
+user-invocable: true
+context: fork
+allowed-tools:
+  - Bash(~/.claude/skills/dashboard/scripts/generate-dashboard.sh*)
+---
+
+# Dashboard
+
+@~/.claude/skills/gitea/SKILL.md
+
+Display all milestones and their unblocked issues. Issues are considered unblocked if they have no open blockers in their dependency list.
+
+## Workflow
+
+1. **Run the dashboard script** with the milestone filter argument (if provided):
+   ```bash
+   ~/.claude/skills/dashboard/scripts/generate-dashboard.sh "$1"
+   ```
+
+2. **Display the output** to the user
+
+The script automatically:
+- Fetches all milestones from the repository
+- For each milestone, gets all open issues
+- For each issue, checks dependencies with `tea issues deps list`
+- Categorizes issues as unblocked (no open dependencies) or blocked (has open dependencies)
+- Displays results grouped by milestone in this format:
+
+```
+## Milestone: Release 1.0
+
+✓ Unblocked (3):
+  #42 Implement feature X
+  #43 Fix bug in Y
+  #45 Add tests for Z
+
+⊘ Blocked (2):
+  #40 Feature A (blocked by #39)
+  #41 Feature B (blocked by #38, #37)
+```

skills/dashboard/scripts/generate-dashboard.sh

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+#!/bin/bash
+set -euo pipefail
+
+# Generate dashboard showing milestones with unblocked/blocked issues
+# Usage: ./generate-dashboard.sh [milestone-filter]
+
+MILESTONE_FILTER="${1:-}"
+
+# Get all milestones
+milestones_json=$(tea milestones -o json)
+
+# Parse milestone names
+milestone_names=$(echo "$milestones_json" | jq -r '.[].title')
+
+# Process each milestone
+while IFS= read -r milestone; do
+  # Skip if filter provided and doesn't match
+  if [[ -n "$MILESTONE_FILTER" && ! "$milestone" =~ $MILESTONE_FILTER ]]; then
+    continue
+  fi
+
+  echo "## Milestone: $milestone"
+  echo ""
+
+  # Get open issues for this milestone
+  issues_json=$(tea issues --milestones "$milestone" --state open -o json 2>/dev/null || echo "[]")
+
+  # Skip empty milestones or invalid JSON
+  issue_count=$(echo "$issues_json" | jq -e 'length' 2>/dev/null || echo "0")
+  if [[ "$issue_count" -eq 0 ]]; then
+    echo "No open issues"
+    echo ""
+    continue
+  fi
+
+  # Arrays for categorizing issues
+  declare -a unblocked=()
+  declare -a blocked=()
+
+  # Process each issue
+  while IFS=$'\t' read -r number title; do
+    # Check dependencies (tea returns plain text "Issue #N has no dependencies" when empty)
+    deps_output=$(tea issues deps list "$number" -o json 2>/dev/null || echo "")
+
+    # If output contains "has no dependencies", treat as empty array
+    if [[ "$deps_output" == *"has no dependencies"* ]]; then
+      deps_json="[]"
+    else
+      deps_json="$deps_output"
+    fi
+
+    # Count open dependencies
+    open_deps=$(echo "$deps_json" | jq -r '[.[] | select(.state == "open")] | length' 2>/dev/null || echo "0")
+
+    if [[ "$open_deps" -eq 0 ]]; then
+      # No open blockers - unblocked
+      unblocked+=("#$number $title")
+    else
+      # Has open blockers - blocked
+      blocker_list=$(echo "$deps_json" | jq -r '[.[] | select(.state == "open") | "#\(.index)"] | join(", ")')
+      blocked+=("#$number $title (blocked by $blocker_list)")
+    fi
+  done < <(echo "$issues_json" | jq -r '.[] | [.index, .title] | @tsv')
+
+  # Display unblocked issues
+  echo "✓ Unblocked (${#unblocked[@]}):"
+  if [[ ${#unblocked[@]} -eq 0 ]]; then
+    echo "  (none)"
+  else
+    printf '  %s\n' "${unblocked[@]}"
+  fi
+  echo ""
+
+  # Display blocked issues
+  echo "⊘ Blocked (${#blocked[@]}):"
+  if [[ ${#blocked[@]} -eq 0 ]]; then
+    echo "  (none)"
+  else
+    printf '  %s\n' "${blocked[@]}"
+  fi
+  echo ""
+
+done <<< "$milestone_names"