chore: initial commit — unified project repo

Merged code repo (CompanionGuard-RL) into single project-level git.
Reorganized root: docs/, reference/, experiments/, tmp/active|archives/.
Gitignored: data/, checkpoints/, .venv, experiment logs, tmp/archives.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tmp/active/run_phase7_setup.py

@@ -0,0 +1,81 @@
+"""Check server Python environment and install missing packages."""
+import paramiko
+import warnings
+import time
+
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+HOST = "10.82.3.180"
+PORT = 20083
+USER = "root"
+PASS = "m2dGcwyrhI"
+PROJ = "/root/siton-data-2849d4ce327c4ccfb233ce33868fe7fe/zsy/CompanionGuard-RL"
+
+
+def ssh_run(client, cmd, timeout=300, print_live=True):
+    transport = client.get_transport()
+    chan = transport.open_session()
+    chan.exec_command(cmd)
+    out_parts = []
+    err_parts = []
+    while True:
+        if chan.recv_ready():
+            chunk = chan.recv(4096).decode("utf-8", errors="replace")
+            out_parts.append(chunk)
+            if print_live:
+                print(chunk, end="", flush=True)
+        if chan.recv_stderr_ready():
+            chunk = chan.recv_stderr(4096).decode("utf-8", errors="replace")
+            err_parts.append(chunk)
+            if print_live:
+                print("[ERR]", chunk, end="", flush=True)
+        if chan.exit_status_ready():
+            while chan.recv_ready():
+                chunk = chan.recv(4096).decode("utf-8", errors="replace")
+                out_parts.append(chunk)
+                if print_live:
+                    print(chunk, end="", flush=True)
+            while chan.recv_stderr_ready():
+                chunk = chan.recv_stderr(4096).decode("utf-8", errors="replace")
+                err_parts.append(chunk)
+                if print_live:
+                    print("[ERR]", chunk, end="", flush=True)
+            break
+        time.sleep(0.1)
+    exit_code = chan.recv_exit_status()
+    return "".join(out_parts), "".join(err_parts), exit_code
+
+
+def connect():
+    client = paramiko.SSHClient()
+    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    client.connect(HOST, port=PORT, username=USER, password=PASS, timeout=30)
+    return client
+
+
+client = connect()
+print("Connected.\n")
+
+# Find which python to use and what's installed
+print("=== Python environments ===")
+ssh_run(client, "which python3 python 2>/dev/null; python3 --version 2>/dev/null; conda env list 2>/dev/null | head -20")
+
+print("\n=== Check which python was used for training ===")
+ssh_run(client, f"head -5 {PROJ}/experiments/train_*.log 2>/dev/null | head -20")
+
+print("\n=== Check if torch is installed ===")
+ssh_run(client, "python3 -c 'import torch; print(torch.__version__)' 2>&1")
+
+print("\n=== List installed packages ===")
+ssh_run(client, "python3 -m pip list 2>/dev/null | grep -E 'yaml|torch|trans|scikit|peft' 2>&1")
+
+print("\n=== Install missing packages ===")
+ssh_run(client,
+    "python3 -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple pyyaml scikit-learn 2>&1 | tail -10",
+    timeout=120)
+
+print("\n=== Verify yaml now works ===")
+ssh_run(client, "python3 -c 'import yaml; print(yaml.__version__)' 2>&1")
+
+client.close()
+print("\nDone.")