Initial commit: MCP server + web upload interface

Ezer Mishpati - AI legal decision drafting system with:
- MCP server (FastMCP) with document processing pipeline
- Web upload interface (FastAPI) for file upload and classification
- pgvector-based semantic search
- Hebrew legal document chunking and embedding

mcp-server/src/legal_mcp/tools/cases.py

@@ -0,0 +1,177 @@
+"""MCP tools for case management."""
+
+from __future__ import annotations
+
+import json
+import subprocess
+from pathlib import Path
+from uuid import UUID
+
+from legal_mcp import config
+from legal_mcp.services import db
+
+
+async def case_create(
+    case_number: str,
+    title: str,
+    appellants: list[str] | None = None,
+    respondents: list[str] | None = None,
+    subject: str = "",
+    property_address: str = "",
+    permit_number: str = "",
+    committee_type: str = "ועדה מקומית",
+    hearing_date: str = "",
+    notes: str = "",
+) -> str:
+    """יצירת תיק ערר חדש.
+
+    Args:
+        case_number: מספר תיק הערר (לדוגמה: 123-24)
+        title: כותרת קצרה של הערר
+        appellants: שמות העוררים
+        respondents: שמות המשיבים
+        subject: נושא הערר
+        property_address: כתובת הנכס
+        permit_number: מספר היתר
+        committee_type: סוג הוועדה (ברירת מחדל: ועדה מקומית)
+        hearing_date: תאריך דיון (YYYY-MM-DD)
+        notes: הערות
+    """
+    from datetime import date as date_type
+
+    h_date = None
+    if hearing_date:
+        h_date = date_type.fromisoformat(hearing_date)
+
+    case = await db.create_case(
+        case_number=case_number,
+        title=title,
+        appellants=appellants,
+        respondents=respondents,
+        subject=subject,
+        property_address=property_address,
+        permit_number=permit_number,
+        committee_type=committee_type,
+        hearing_date=h_date,
+        notes=notes,
+    )
+
+    # Initialize git repo for the case
+    case_dir = config.CASES_DIR / case_number
+    case_dir.mkdir(parents=True, exist_ok=True)
+    (case_dir / "documents").mkdir(exist_ok=True)
+    (case_dir / "drafts").mkdir(exist_ok=True)
+
+    # Save case metadata
+    case_json = case_dir / "case.json"
+    case_json.write_text(json.dumps(case, default=str, ensure_ascii=False, indent=2))
+
+    # Create notes file
+    notes_file = case_dir / "notes.md"
+    notes_file.write_text(f"# הערות - תיק {case_number}\n\n{notes}\n")
+
+    # Initialize git repo
+    subprocess.run(["git", "init"], cwd=case_dir, capture_output=True)
+    subprocess.run(["git", "add", "."], cwd=case_dir, capture_output=True)
+    subprocess.run(
+        ["git", "commit", "-m", f"אתחול תיק {case_number}: {title}"],
+        cwd=case_dir,
+        capture_output=True,
+        env={"GIT_AUTHOR_NAME": "Ezer Mishpati", "GIT_AUTHOR_EMAIL": "legal@local",
+             "GIT_COMMITTER_NAME": "Ezer Mishpati", "GIT_COMMITTER_EMAIL": "legal@local",
+             "PATH": "/usr/bin:/bin"},
+    )
+
+    return json.dumps(case, default=str, ensure_ascii=False, indent=2)
+
+
+async def case_list(status: str = "", limit: int = 50) -> str:
+    """רשימת תיקי ערר עם אפשרות סינון לפי סטטוס.
+
+    Args:
+        status: סינון לפי סטטוס (new, in_progress, drafted, reviewed, final). ריק = הכל
+        limit: מספר תוצאות מקסימלי
+    """
+    cases = await db.list_cases(status=status or None, limit=limit)
+    if not cases:
+        return "אין תיקים."
+    return json.dumps(cases, default=str, ensure_ascii=False, indent=2)
+
+
+async def case_get(case_number: str) -> str:
+    """קבלת פרטי תיק מלאים כולל רשימת מסמכים.
+
+    Args:
+        case_number: מספר תיק הערר
+    """
+    case = await db.get_case_by_number(case_number)
+    if not case:
+        return f"תיק {case_number} לא נמצא."
+
+    docs = await db.list_documents(UUID(case["id"]))
+    case["documents"] = docs
+    return json.dumps(case, default=str, ensure_ascii=False, indent=2)
+
+
+async def case_update(
+    case_number: str,
+    status: str = "",
+    title: str = "",
+    subject: str = "",
+    notes: str = "",
+    hearing_date: str = "",
+    decision_date: str = "",
+    tags: list[str] | None = None,
+) -> str:
+    """עדכון פרטי תיק.
+
+    Args:
+        case_number: מספר תיק הערר
+        status: סטטוס חדש (new, in_progress, drafted, reviewed, final)
+        title: כותרת חדשה
+        subject: נושא חדש
+        notes: הערות חדשות
+        hearing_date: תאריך דיון (YYYY-MM-DD)
+        decision_date: תאריך החלטה (YYYY-MM-DD)
+        tags: תגיות
+    """
+    from datetime import date as date_type
+
+    case = await db.get_case_by_number(case_number)
+    if not case:
+        return f"תיק {case_number} לא נמצא."
+
+    fields = {}
+    if status:
+        fields["status"] = status
+    if title:
+        fields["title"] = title
+    if subject:
+        fields["subject"] = subject
+    if notes:
+        fields["notes"] = notes
+    if hearing_date:
+        fields["hearing_date"] = date_type.fromisoformat(hearing_date)
+    if decision_date:
+        fields["decision_date"] = date_type.fromisoformat(decision_date)
+    if tags is not None:
+        fields["tags"] = tags
+
+    updated = await db.update_case(UUID(case["id"]), **fields)
+
+    # Git commit the update
+    case_dir = config.CASES_DIR / case_number
+    if case_dir.exists():
+        case_json = case_dir / "case.json"
+        case_json.write_text(json.dumps(updated, default=str, ensure_ascii=False, indent=2))
+        subprocess.run(["git", "add", "case.json"], cwd=case_dir, capture_output=True)
+        subprocess.run(
+            ["git", "commit", "-m", f"עדכון תיק: {', '.join(fields.keys())}"],
+            cwd=case_dir,
+            capture_output=True,
+            env={"GIT_AUTHOR_NAME": "Ezer Mishpati", "GIT_AUTHOR_EMAIL": "legal@local",
+                 "GIT_COMMITTER_NAME": "Ezer Mishpati", "GIT_COMMITTER_EMAIL": "legal@local",
+                 "PATH": "/usr/bin:/bin"},
+        )
+
+    return json.dumps(updated, default=str, ensure_ascii=False, indent=2)