chore: rename quicproquo → quicprochat in docs, Docker, CI, and packaging

Rename all project references from quicproquo/qpq to quicprochat/qpc
across documentation, Docker configuration, CI workflows, packaging
scripts, operational configs, and build tooling.

- Docker: crate paths, binary names, user/group, data dirs, env vars
- CI: workflow crate references, binary names, artifact names
- Docs: all markdown files under docs/, SDK READMEs, book.toml
- Packaging: OpenWrt Makefile, init script, UCI config (file renames)
- Scripts: justfile, dev-shell, screenshot, cross-compile, ai_team
- Operations: Prometheus config, alert rules, Grafana dashboard
- Config: .env.example (QPQ_* → QPC_*), CODEOWNERS paths
- Top-level: README, CONTRIBUTING, ROADMAP, CLAUDE.md

examples/python/README.md

@@ -1,18 +1,18 @@
-# quicproquo Python FFI Client
+# quicprochat Python FFI Client
 
-Python wrapper around `libquicproquo_ffi` using `ctypes`.
+Python wrapper around `libquicprochat_ffi` using `ctypes`.
 
 ## Build the FFI library
 
 ```bash
-cargo build --release -p quicproquo-ffi
+cargo build --release -p quicprochat-ffi
 ```
 
 This produces:
 
-- Linux: `target/release/libquicproquo_ffi.so`
-- macOS: `target/release/libquicproquo_ffi.dylib`
-- Windows: `target/release/quicproquo_ffi.dll`
+- Linux: `target/release/libquicprochat_ffi.so`
+- macOS: `target/release/libquicprochat_ffi.dylib`
+- Windows: `target/release/quicprochat_ffi.dll`
 
 ## Usage
 
@@ -51,7 +51,7 @@ The script auto-detects the library in `target/release/` or `target/debug/`.
 Override with `QPQ_FFI_LIB`:
 
 ```bash
-export QPQ_FFI_LIB=/path/to/libquicproquo_ffi.so
+export QPQ_FFI_LIB=/path/to/libquicprochat_ffi.so
 ```
 
 ## Programmatic usage

examples/python/qpc_client.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""quicproquo Python client -- ctypes wrapper around libquicproquo_ffi.
+"""quicprochat Python client -- ctypes wrapper around libquicprochat_ffi.
 
 Usage:
     python qpq_client.py --server 127.0.0.1:7000 \\
@@ -28,7 +28,7 @@ from ctypes import (
 from pathlib import Path
 
 # ---------------------------------------------------------------------------
-# Status codes (must match quicproquo-ffi/src/lib.rs)
+# Status codes (must match quicprochat-ffi/src/lib.rs)
 # ---------------------------------------------------------------------------
 QPQ_OK = 0
 QPQ_ERROR = 1
@@ -54,7 +54,7 @@ def _status_name(code: int) -> str:
 # ---------------------------------------------------------------------------
 
 def _find_library() -> str:
-    """Locate libquicproquo_ffi shared library."""
+    """Locate libquicprochat_ffi shared library."""
     env = os.environ.get("QPQ_FFI_LIB")
     if env:
         return env
@@ -63,14 +63,14 @@ def _find_library() -> str:
     repo_root = Path(__file__).resolve().parent.parent.parent
     for profile in ("release", "debug"):
         for ext in ("so", "dylib", "dll"):
-            candidate = repo_root / "target" / profile / f"libquicproquo_ffi.{ext}"
+            candidate = repo_root / "target" / profile / f"libquicprochat_ffi.{ext}"
             if candidate.exists():
                 return str(candidate)
 
     print(
-        "ERROR: Could not find libquicproquo_ffi. "
-        "Build with: cargo build --release -p quicproquo-ffi\n"
-        "Or set QPQ_FFI_LIB=/path/to/libquicproquo_ffi.so",
+        "ERROR: Could not find libquicprochat_ffi. "
+        "Build with: cargo build --release -p quicprochat-ffi\n"
+        "Or set QPQ_FFI_LIB=/path/to/libquicprochat_ffi.so",
         file=sys.stderr,
     )
     sys.exit(1)
@@ -116,7 +116,7 @@ def _load_library(path: str) -> ctypes.CDLL:
 # ---------------------------------------------------------------------------
 
 class QpqClient:
-    """Synchronous Python client wrapping the quicproquo C FFI."""
+    """Synchronous Python client wrapping the quicprochat C FFI."""
 
     def __init__(self, lib: ctypes.CDLL):
         self._lib = lib
@@ -182,7 +182,7 @@ class QpqClient:
 # ---------------------------------------------------------------------------
 
 def main() -> None:
-    parser = argparse.ArgumentParser(description="quicproquo Python FFI client")
+    parser = argparse.ArgumentParser(description="quicprochat Python FFI client")
     parser.add_argument("--server", required=True, help="Server address (host:port)")
     parser.add_argument("--ca-cert", required=True, help="Path to CA certificate (DER)")
     parser.add_argument("--server-name", default="localhost", help="TLS server name")