feat(mma): Complete Visual DAG implementation, fix link creation/deletion, and sync docs

src/aggregate.py

@@ -324,9 +324,10 @@ def run(config: dict[str, Any]) -> tuple[str, Path, list[dict[str, Any]]]:
  return markdown, output_file, file_items
 
 def main() -> None:
-# Load global config to find active project
- config_path = Path("config.toml")
+ # Load global config to find active project
+ config_path = Path(os.environ.get("SLOP_CONFIG", "config.toml"))
  if not config_path.exists():
+
   print("config.toml not found.")
   return
  with open(config_path, "rb") as f:

src/gui_2.py

@@ -1682,19 +1682,46 @@ class App:
     tid = str(t.get('id', '??'))
     for dep in t.get('depends_on', []):
      ed.link(abs(hash(dep + "_" + tid)), abs(hash(dep + "_out")), abs(hash(tid + "_in")))
+   
+   # Handle link creation
+   if ed.begin_create():
+    start_pin = ed.PinId()
+    end_pin = ed.PinId()
+    if ed.query_new_link(start_pin, end_pin):
+     if ed.accept_new_item():
+      s_id = start_pin.id()
+      e_id = end_pin.id()
+      source_tid = None
+      target_tid = None
+      for t in self.active_tickets:
+       tid = str(t.get('id', ''))
+       if abs(hash(tid + "_out")) == s_id: source_tid = tid
+       if abs(hash(tid + "_out")) == e_id: source_tid = tid
+       if abs(hash(tid + "_in")) == s_id: target_tid = tid
+       if abs(hash(tid + "_in")) == e_id: target_tid = tid
+      if source_tid and target_tid and source_tid != target_tid:
+       for t in self.active_tickets:
+        if str(t.get('id', '')) == target_tid:
+         if source_tid not in t.get('depends_on', []):
+          t.setdefault('depends_on', []).append(source_tid)
+          self._push_mma_state_update()
+         break
+   ed.end_create()
+
    # Handle link deletion
    if ed.begin_delete():
-    deleted = ed.get_deleted_link()
-    if deleted:
-     link_id = deleted[0]
-     for t in self.active_tickets:
-      tid = str(t.get('id', ''))
-      for d in t.get('depends_on', []):
-       if abs(hash(d + "_" + tid)) == link_id:
-        t['depends_on'] = [dep for dep in t['depends_on'] if dep != d]
+    link_id = ed.LinkId()
+    while ed.query_deleted_link(link_id):
+     if ed.accept_deleted_item():
+      lid_val = link_id.id()
+      for t in self.active_tickets:
+       tid = str(t.get('id', ''))
+       deps = t.get('depends_on', [])
+       if any(abs(hash(d + "_" + tid)) == lid_val for d in deps):
+        t['depends_on'] = [dep for dep in deps if abs(hash(dep + "_" + tid)) != lid_val]
         self._push_mma_state_update()
         break
-    ed.end_delete()
+   ed.end_delete()
    # Validate DAG after any changes
    try:
     from src.dag_engine import TrackDAG

src/models.py

@@ -1,10 +1,11 @@
 from __future__ import annotations
 import tomllib
+import os
 from dataclasses import dataclass, field
 from typing import List, Optional, Dict, Any, Union
 from pathlib import Path
 
-CONFIG_PATH = Path("config.toml")
+CONFIG_PATH = Path(os.environ.get("SLOP_CONFIG", "config.toml"))
 
 def load_config() -> dict[str, Any]:
     with open(CONFIG_PATH, "rb") as f: