Flow Next Deps

Flow-Next Dependency Graph

Visualize epic dependencies, blocking chains, and execution phases.

Setup

FLOWCTL="${DROID_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/flowctl"
$FLOWCTL detect --json | jq -e '.exists' >/dev/null && echo "OK: .flow/ exists" || echo "ERROR: run $FLOWCTL init"
command -v jq >/dev/null 2>&1 && echo "OK: jq installed" || echo "ERROR: brew install jq"

Step 1: Gather Epic Data

Build a consolidated view of all epics with their dependencies:

FLOWCTL="${DROID_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/flowctl"

# Get all epic IDs
epic_ids=$($FLOWCTL epics --json | jq -r '.epics[].id')

# For each epic, get full details including dependencies
for id in $epic_ids; do
  $FLOWCTL show "$id" --json | jq -c '{
    id: .id,
    title: .title,
    status: .status,
    plan_review: .plan_review_status,
    deps: (.depends_on_epics // [])
  }'
done

Step 2: Identify Blocking Chains

Determine which epics are ready vs blocked (pure jq, works on any shell):

FLOWCTL="${DROID_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/flowctl"

# Collect all epic data with deps
epics_json=$($FLOWCTL epics --json | jq -r '.epics[].id' | while read id; do
  $FLOWCTL show "$id" --json | jq -c '{id: .id, title: .title, status: .status, deps: (.depends_on_epics // [])}'
done | jq -s '.')

# Compute blocking status
echo "$epics_json" | jq -r '
  # Build status lookup
  (map({(.id): .status}) | add // {}) as $status |

  # Check each non-done epic
  .[] | select(.status != "done") |
  .id as $id | .title as $title |

  # Find deps that are not done
  ([.deps[] | select($status[.] != "done")] | join(", ")) as $blocked_by |

  if ($blocked_by | length) == 0 then
    "READY: \($id) - \($title)"
  else
    "BLOCKED: \($id) - \($title) (by: \($blocked_by))"
  end
'

Step 3: Compute Execution Phases

Group epics into parallel execution phases:

FLOWCTL="${DROID_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/flowctl"

# Collect all epic data
epics_json=$($FLOWCTL epics --json | jq -r '.epics[].id' | while read id; do
  $FLOWCTL show "$id" --json | jq -c '{id: .id, title: .title, status: .status, deps: (.depends_on_epics // [])}'
done | jq -s '.')

# Phase assignment algorithm (run in jq for reliability)
echo "$epics_json" | jq '
  # Build status lookup
  (map({(.id): .status}) | add // {}) as $status |

  # Filter to non-done epics
  [.[] | select(.status != "done")] as $open |

  # Assign phases iteratively
  reduce range(10) as $phase (
    {assigned: [], result: [], open: $open};

    .assigned as $assigned |
    .open as $remaining |

    # Find epics not yet assigned whose deps are all done or in earlier phases
    ([.open[] | select(
      ([.id] | inside($assigned) | not) and
      ((.deps // []) | all(. as $d | $status[$d] == "done" or ($assigned | index($d))))
    )] | map(.id)) as $ready |

    if ($ready | length) > 0 then
      .result += [{phase: ($phase + 1), epics: [.open[] | select(.id | IN($ready[]))]}] |
      .assigned += $ready
    else . end
  ) |
  .result
'

Output Format

Present results as:

## Epic Dependency Graph

### Status Overview

| Epic | Title | Status | Dependencies | Blocked By |
|------|-------|--------|--------------|------------|
| **fn-1-add-auth** | Add Authentication | **READY** | - | - |
| fn-2-add-oauth | Add OAuth Login | blocked | fn-1-add-auth | fn-1-add-auth |
| fn-3-user-profile | User Profile Page | blocked | fn-1-add-auth, fn-2-add-oauth | fn-2-add-oauth |

### Execution Phases

| Phase | Epics | Can Start |
|-------|-------|-----------|
| **1** | fn-1-add-auth | **NOW** |
| 2 | fn-2-add-oauth | After Phase 1 |
| 3 | fn-3-user-profile | After Phase 2 |

### Critical Path

fn-1-add-auth → fn-2-add-oauth → fn-3-user-profile (3 phases)

Quick One-Liner

For a fast dependency check:

FLOWCTL="${DROID_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT}}/scripts/flowctl"
$FLOWCTL epics --json | jq -r '.epics[] | select(.status != "done") | "\(.id): \(.title) [\(.status)]"'

When to Use

• "What's the execution order for epics?"
• "What's blocking progress?"
• "Show me the dependency graph"
• "What's the critical path?"
• "Which epics can run in parallel?"
• "Why is Ralph working on X?"
• "What should I work on next?"

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