Initial commit: Meeting Room v0.1.0

Multi-agent discussion framework:
- Custom/AutoGen/CrewAI backends
- Multi-provider API (role→model binding)
- Tools system (files, web, commands)
- Markdown scenarios with YAML frontmatter
- Workspace init (meeting-room init)
- Session save (--save)

meeting_room/scenario_loader.py

@@ -0,0 +1,60 @@
+"""Scenario loader — supports .md (frontmatter + markdown) and .yaml."""
+
+import os
+import re
+import yaml
+
+
+def load_scenario(path: str) -> dict:
+    with open(path, encoding="utf-8") as f:
+        content = f.read()
+
+    if path.endswith((".md", ".markdown")):
+        return _parse_markdown(content)
+    elif path.endswith((".yaml", ".yml")):
+        return yaml.safe_load(content)
+    else:
+        try:
+            return _parse_markdown(content)
+        except Exception:
+            return yaml.safe_load(content)
+
+
+def _parse_markdown(content: str) -> dict:
+    match = re.match(r"^---\s*\n(.*?)\n---\s*\n(.*)", content, re.DOTALL)
+    if not match:
+        raise ValueError("No YAML frontmatter found. Expected --- at the top.")
+
+    meta = yaml.safe_load(match.group(1))
+    body = match.group(2).strip()
+    meta["problem"] = body
+    if "name" not in meta:
+        meta["name"] = "Без названия"
+    return meta
+
+
+def list_scenarios(scenarios_dir: str) -> list[dict]:
+    results = []
+    if not os.path.isdir(scenarios_dir):
+        return results
+
+    for fname in sorted(os.listdir(scenarios_dir)):
+        if not fname.endswith((".md", ".markdown", ".yaml", ".yml")):
+            continue
+        path = os.path.join(scenarios_dir, fname)
+        try:
+            data = load_scenario(path)
+            results.append({
+                "file": fname,
+                "path": path,
+                "name": data.get("name", "Без названия"),
+                "participants": data.get("participants", []),
+            })
+        except Exception as e:
+            results.append({
+                "file": fname,
+                "path": path,
+                "name": f"[Ошибка: {e}]",
+                "participants": [],
+            })
+    return results