diff --git a/.gitignore b/.gitignore
index f201ec4..ab996f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# === chaves privadas ===
+src/neuro/tools/human_agent/env.py
+
 # === sub-módulos clonados ===
 src/modules/
 .cache/
diff --git a/README.md b/README.md
index 360dd22..c027443 100644
--- a/README.md
+++ b/README.md
@@ -29,53 +29,58 @@ make tarball    # gera dist/myhomelab-src.tar.gz
 make release    # publica release e cria tag automática
 ```
 
+## Checkpoint (self-log)
+ok, ajustei a estrutura dos agentes:
 ```
-myhomelab/
-├─ configure.ac
-├─ Makefile.am
-├─ README.md
-├─ pyproject.toml              # uv + ruff + (pytest)
-├─ uv.lock
-├─ src/
-│  └─ neuro/
-│     ├─ __init__.py
-│     ├─ cli.py                # entrypoints (tui / bench / repl)
-│     │
-│     ├─ tui/
-│     │  ├─ app.py             # Textual App
-│     │  ├─ screens.py         # screens/modals
-│     │  ├─ widgets.py         # componentes reutilizáveis
-│     │  └─ state.py           # estado e store (sem IA aqui)
-│     │
-│     ├─ engine/
-│     │  ├─ __init__.py
-│     │  ├─ session.py         # Session, Chat/Prompt state
-│     │  └─ runtime.py         # “orquestração” do loop (streaming, cancel)
-│     │
-│     ├─ ai/
-│     │  ├─ __init__.py
-│     │  ├─ config.py          # dataclasses: dims, vocab, layers, seed
-│     │  ├─ tokenizer.py       # tokenize/detokenize
-│     │  ├─ embeddings.py      # tok->vec, pos enc
-│     │  ├─ transformer.py     # forward() (minimo)
-│     │  ├─ head.py            # logits/probs
-│     │  ├─ sampling.py        # greedy, top-k, top-p, temp
-│     │  └─ model.py           # Model = cola tudo (tokenize->sample)
-│     │
-│     ├─ utils/
-│     │  ├─ logging.py
-│     │  ├─ rng.py
-│     │  └─ perf.py
-│     │
-│     └─ data/
-│        ├─ vocab.json         # opcional no MVP
-│        └─ tiny_weights.npz   # opcional (se quiseres pesos fixos)
-│
-├─ tests/
-│  ├─ test_tokenizer.py
-│  ├─ test_sampling.py
-│  └─ test_transformer_shapes.py
-└─ tools/
-   ├─ bench.py                 # microbench do forward/sampling
-   └─ export_vocab.py
-```
\ No newline at end of file
+tree src/neuro/tools
+src/neuro/tools
+├── ai_agent
+│   ├── bench.py
+│   └── export_vocab.py
+├── doc_agent
+│   ├── analyzer.py
+│   ├── emit_json.py
+│   ├── emit_md.py
+│   ├── evaluator.py
+│   ├── ir_schema.py
+│   ├── main.py
+│   ├── prompts
+│   └── scanner.py
+├── host_agent # o teu novo nome
+│   └── main.py
+├── human_agent
+│   ├── env.py
+│   └── env.py.temp
+├── infra_agent
+│   ├── custom_ubuntu_agent
+│   ├── django_agent
+│   ├── docker_agent
+│   ├── flask_agent
+│   ├── neuronio_agent
+│   ├── nfdos_agent
+│   ├── packer_agent
+│   ├── terraform_agent
+│   ├── vagrant_agent
+│   └── wordpress_agent
+└── llm_agent
+    └── main.py
+
+18 directories, 13 files
+```
+tu estas a preocupar-te (e bem) com a seguranca, eu com a parte financeira 😂 
+runtime ok:
+```
+src/myhomelab       
+🚀 Iniciando o myhomelab 51b9a23-dirty...
+[myhomelab] uv encontrado no PATH.
+[myhomelab] Ambiente .venv já existente.
+[myhomelab] Sincronizando dependências via uv.lock (uv sync)...
+[myhomelab] uv sync
+Resolved 12 packages in 1ms
+Audited 11 packages in 0.34ms
+[myhomelab] Iniciando neuro via uv run...
+[myhomelab] uv run python -m neuro
+🧠 Neuro runtime starting...
+[runtime] run(): ok (stub)
+```
+quando tiver descansado iniciamos o "REPL" (Textual App com um input, um output, barra de status, botões: Run/Stop)
\ No newline at end of file
diff --git a/src/bootstrap.py b/src/bootstrap.py
index dd7d08a..4a9f12a 100644
--- a/src/bootstrap.py
+++ b/src/bootstrap.py
@@ -1,43 +1,134 @@
+from __future__ import annotations
+
 from pathlib import Path
+import os
+import shutil
 import subprocess
 import sys
-import os
 
 
-class Application(object):
+class Application:
     def __init__(self, *args, **kwargs):
         for key in kwargs:
             setattr(self, key, kwargs[key])
+
         self.base_path = Path(__file__).resolve().parents[1]
-        self.venv_path = self.base_path / "venv"
-        self.python = self.venv_path / "bin" / "python"
+        self.venv_path = self.base_path / ".venv"  # uv default
         self._hello()
 
+    # -------- UX --------
+
     def _hello(self):
         print(f"🚀 Iniciando o {getattr(self, 'package', '')} {getattr(self, 'version', '')}...")
 
     def _print(self, msg: str):
         print(f"[{getattr(self, 'package', '')}] {msg}", flush=True)
 
-    def run(self):
-        self._ensure_venv()
-        self.launch_neuro()
+    # -------- main --------
 
-    def _ensure_venv(self):
+    def run(self):
         os.chdir(self.base_path)
 
-        if not self.venv_path.exists():
-            self._print("Criando ambiente Python...")
-            subprocess.run(
-                [sys.executable, "-m", "venv", str(self.venv_path)],
-                check=True
-            )
+        uv = self.ensure_uv()
+        self.ensure_venv(uv)
+        self.ensure_dependencies(uv)
+
+        self.launch_neuro(uv)
+
+    # -------- uv / env --------
+
+    def ensure_uv(self) -> str:
+        """
+        Garante que o comando `uv` existe no host.
+        Estratégia:
+          1) PATH
+          2) `python -m uv` (se uv estiver instalado no python do host)
+          3) fallback: instala uv via pip (host python) e tenta de novo
+        """
+        if shutil.which("uv"):
+            self._print("uv encontrado no PATH.")
+            return "uv"
+
+        # tenta via `python -m uv` (muitas vezes funciona em ambientes dev)
+        try:
+            subprocess.run([sys.executable, "-m", "uv", "--version"], check=True, capture_output=True, text=True)
+            self._print("uv disponível via `python -m uv`.")
+            return f"{sys.executable} -m uv"
+        except Exception:
+            pass
+
+        # fallback pragmatico: pip install uv (host python)
+        self._print("uv não encontrado. Tentando instalar via pip no Python do host...")
+        try:
+            subprocess.run([sys.executable, "-m", "pip", "install", "--user", "uv"], check=True)
+        except subprocess.CalledProcessError as e:
+            raise RuntimeError(
+                "Não consegui instalar o `uv`. Instala manualmente e tenta novamente.\n"
+                "Sugestões:\n"
+                "  - pip install --user uv\n"
+                "  - ou usa o instalador oficial do uv\n"
+            ) from e
+
+        if shutil.which("uv"):
+            self._print("uv instalado e disponível no PATH.")
+            return "uv"
+
+        # última tentativa: python -m uv
+        subprocess.run([sys.executable, "-m", "uv", "--version"], check=True)
+        self._print("uv instalado e disponível via `python -m uv`.")
+        return f"{sys.executable} -m uv"
+
+    def _uv(self, uv_cmd: str, *args: str) -> None:
+        """
+        Executa um comando uv, aceitando uv_cmd como:
+          - "uv"
+          - "<python> -m uv"
+        """
+        cmd = uv_cmd.split() + list(args)
+        self._print(" ".join(cmd))
+        subprocess.run(cmd, check=True)
+
+    def ensure_venv(self, uv_cmd: str) -> None:
+        """
+        Garante que existe um venv gerido pelo uv em .venv.
+        """
+        if self.venv_path.exists():
+            self._print("Ambiente .venv já existente.")
+            return
+
+        self._print("Criando ambiente .venv via uv...")
+        # uv cria .venv por default; este comando respeita pyproject
+        self._uv(uv_cmd, "venv")
+
+    def ensure_dependencies(self, uv_cmd: str) -> None:
+        """
+        Instala/sincroniza deps. Com uv.lock presente, o correto é uv sync.
+        """
+        lock = self.base_path / "uv.lock"
+        pyproject = self.base_path / "pyproject.toml"
+
+        if not pyproject.exists():
+            raise RuntimeError("pyproject.toml não encontrado na raiz do projeto.")
+
+        if lock.exists():
+            self._print("Sincronizando dependências via uv.lock (uv sync)...")
+            self._uv(uv_cmd, "sync")
         else:
-            self._print("Ambiente Python já existente.")
+            # Se ainda não há lock, tenta resolver e criar
+            self._print("uv.lock não encontrado. Resolvendo dependências (uv lock + uv sync)...")
+            self._uv(uv_cmd, "lock")
+            self._uv(uv_cmd, "sync")
 
-    def launch_neuro(self):
-        neuro = self.base_path / "src" / "neuro" / "__main__.py"
-        subprocess.run([str(self.python), str(neuro)])
+    # -------- launch --------
+
+    def launch_neuro(self, uv_cmd: str) -> None:
+        """
+        Entry point: roda a app dentro do ambiente uv.
+        Preferência: módulo -m neuro (usa src layout corretamente).
+        """
+        # Se tens __main__.py em neuro, isto é perfeito:
+        self._print("Iniciando neuro via uv run...")
+        self._uv(uv_cmd, "run", "python", "-m", "neuro")
 
 
 
diff --git a/src/infra/shell.sh b/src/infra/shell.sh
new file mode 100644
index 0000000..e69de29
diff --git a/src/myhomelab b/src/myhomelab
index e387d72..c9060ed 100755
--- a/src/myhomelab
+++ b/src/myhomelab
@@ -6,5 +6,5 @@ sys.path.insert(1, '/usr/local/local/lib/python3.12/dist-packages')
 from bootstrap import Application
 
 if __name__ == "__main__":
-    app = Application(package="myhomelab", version="51b9a23-dirty")
+    app = Application(package="myhomelab", version="fa244a4-dirty-3-gd1980d7-dirty-5-g4818d30-dirty")
     app.run()
\ No newline at end of file
diff --git a/src/neuro/__main__.py b/src/neuro/__main__.py
new file mode 100644
index 0000000..21cc8aa
--- /dev/null
+++ b/src/neuro/__main__.py
@@ -0,0 +1,15 @@
+from neuro.engine.runtime import Runtime
+from neuro.engine.session import Session
+
+
+def main():
+    print("🧠 Neuro runtime starting...")
+
+    session = Session()
+    runtime = Runtime(session=session)
+
+    runtime.run()
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/src/neuro/ai/__init__.py b/src/neuro/ai/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/config.py b/src/neuro/ai/config.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/embeddings.py b/src/neuro/ai/embeddings.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/head.py b/src/neuro/ai/head.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/model.py b/src/neuro/ai/model.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/sampling.py b/src/neuro/ai/sampling.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/tokenizer.py b/src/neuro/ai/tokenizer.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/ai/transformer.py b/src/neuro/ai/transformer.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/data/tiny_weights.npz b/src/neuro/data/tiny_weights.npz
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/data/vocab.json b/src/neuro/data/vocab.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/human/index.md b/src/neuro/docs/human/index.md
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/human/modules/core.cortex.md b/src/neuro/docs/human/modules/core.cortex.md
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/human/modules/core.llm.md b/src/neuro/docs/human/modules/core.llm.md
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/machine/modules/core.cortex.json b/src/neuro/docs/machine/modules/core.cortex.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/machine/modules/core.llm.json b/src/neuro/docs/machine/modules/core.llm.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/machine/repo.json b/src/neuro/docs/machine/repo.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/meta/agent_report.json b/src/neuro/docs/meta/agent_report.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/meta/agent_report.md b/src/neuro/docs/meta/agent_report.md
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/docs/meta/state.json b/src/neuro/docs/meta/state.json
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/engine/__init__.py b/src/neuro/engine/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/engine/runtime.py b/src/neuro/engine/runtime.py
new file mode 100644
index 0000000..bf7aed3
--- /dev/null
+++ b/src/neuro/engine/runtime.py
@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from typing import Optional
+
+from neuro.engine.session import Session
+
+
+@dataclass
+class Runtime:
+    session: Session
+    running: bool = False
+
+    def run(self) -> None:
+        # por agora, só prova vida
+        self.running = True
+        print("[runtime] run(): ok (stub)")
\ No newline at end of file
diff --git a/src/neuro/engine/session.py b/src/neuro/engine/session.py
new file mode 100644
index 0000000..b16a5fd
--- /dev/null
+++ b/src/neuro/engine/session.py
@@ -0,0 +1,10 @@
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from typing import List
+
+
+@dataclass
+class Session:
+    prompt_history: List[str] = field(default_factory=list)
+    output_history: List[str] = field(default_factory=list)
\ No newline at end of file
diff --git a/src/neuro/tests/test_sampling.py b/src/neuro/tests/test_sampling.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tests/test_tokenizer.py b/src/neuro/tests/test_tokenizer.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tests/test_transformer_shapes.py b/src/neuro/tests/test_transformer_shapes.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/ai_agent/bench.py b/src/neuro/tools/ai_agent/bench.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/ai_agent/export_vocab.py b/src/neuro/tools/ai_agent/export_vocab.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/analyzer.py b/src/neuro/tools/doc_agent/analyzer.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/emit_json.py b/src/neuro/tools/doc_agent/emit_json.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/emit_md.py b/src/neuro/tools/doc_agent/emit_md.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/evaluator.py b/src/neuro/tools/doc_agent/evaluator.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/ir_schema.py b/src/neuro/tools/doc_agent/ir_schema.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/main.py b/src/neuro/tools/doc_agent/main.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/prompts/.gitkeep b/src/neuro/tools/doc_agent/prompts/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/doc_agent/scanner.py b/src/neuro/tools/doc_agent/scanner.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/host_agent/main.py b/src/neuro/tools/host_agent/main.py
new file mode 100644
index 0000000..16ea43e
--- /dev/null
+++ b/src/neuro/tools/host_agent/main.py
@@ -0,0 +1,240 @@
+# src/neuro/tools/codex_agent/main.py
+from __future__ import annotations
+
+import os
+import shutil
+import subprocess
+import sys
+import threading
+from pathlib import Path
+
+CODEX_REPO = "https://github.com/openai/codex.git"
+MIN_RUSTC = (1, 82, 0)
+
+
+def _print(msg: str):
+    print(f"[host:codex] {msg}", flush=True)
+
+
+def _run(cmd: list[str], cwd: Path | None = None, env: dict | None = None):
+    _print(f"RUN: {' '.join(cmd)}")
+    p = subprocess.Popen(
+        cmd,
+        cwd=str(cwd) if cwd else None,
+        env=env,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        text=True,
+    )
+    assert p.stdout is not None
+    for line in p.stdout:
+        print(f"[codex] {line.rstrip()}", flush=True)
+    rc = p.wait()
+    if rc != 0:
+        raise RuntimeError(f"Command failed: {' '.join(cmd)}")
+
+
+def _run_capture(cmd: list[str], env: dict | None = None) -> str:
+    out = subprocess.check_output(cmd, env=env, text=True, stderr=subprocess.STDOUT)
+    return out.strip()
+
+
+def _paths(base: Path):
+    cache = base / ".cache" / "codex"
+    root = cache / "repo"
+    workspace = root / "codex-rs"
+    exe = "codex.exe" if sys.platform.startswith("win") else "codex"
+    target_bin = workspace / "target" / "debug" / exe
+    return cache, root, workspace, target_bin
+
+
+def _parse_rustc_version(line: str) -> tuple[int, int, int]:
+    # rustc 1.76.0 (....)
+    parts = line.split()
+    ver = parts[1].split(".")
+    return (int(ver[0]), int(ver[1]), int(ver[2]))
+
+
+def _version_ge(a: tuple[int, int, int], b: tuple[int, int, int]) -> bool:
+    return a >= b
+
+
+def _ensure_rust_min(env: dict) -> dict:
+    _print("Checking Rust toolchain...")
+
+    cargo_bin = Path.home() / ".cargo" / "bin"
+    env["PATH"] = f"{cargo_bin}:{env.get('PATH','')}"
+
+    if shutil.which("rustup") is None or shutil.which("cargo") is None or shutil.which("rustc") is None:
+        _print("Rust toolchain not fully found. Installing rustup...")
+        _run(
+            ["bash", "-lc", "curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y"],
+            env=env,
+        )
+        env["PATH"] = f"{cargo_bin}:{env.get('PATH','')}"
+
+    cur_line = _run_capture(["bash", "-lc", "rustc --version"], env=env)
+    cur = _parse_rustc_version(cur_line)
+    _print(f"rustc version: {cur[0]}.{cur[1]}.{cur[2]} (min required 1.82.0)")
+
+    if not _version_ge(cur, MIN_RUSTC):
+        _print("rustc is too old. Updating stable toolchain...")
+        _run(["bash", "-lc", "rustup toolchain install stable"], env=env)
+        _run(["bash", "-lc", "rustup default stable"], env=env)
+        _run(["bash", "-lc", "rustup update stable"], env=env)
+
+        cur_line2 = _run_capture(["bash", "-lc", "rustc --version"], env=env)
+        cur2 = _parse_rustc_version(cur_line2)
+        _print(f"rustc version after update: {cur2[0]}.{cur2[1]}.{cur2[2]}")
+        if not _version_ge(cur2, MIN_RUSTC):
+            raise RuntimeError(f"rustc still < 1.82.0 after update: {cur_line2}")
+
+    _print("Ensuring rustfmt + clippy...")
+    _run(["bash", "-lc", "rustup component add rustfmt"], env=env)
+    _run(["bash", "-lc", "rustup component add clippy"], env=env)
+
+    return env
+
+
+def _have_sudo() -> bool:
+    return shutil.which("sudo") is not None
+
+
+def _sudo_noprompt_ok() -> bool:
+    if not _have_sudo():
+        return False
+    try:
+        subprocess.check_call(["sudo", "-n", "true"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        return True
+    except Exception:
+        return False
+
+
+def _detect_pkg_manager() -> str | None:
+    for pm in ("apt-get", "dnf", "pacman", "zypper"):
+        if shutil.which(pm) is not None:
+            return pm
+    return None
+
+
+def _install_system_deps_for_linux_sandbox() -> None:
+    """
+    Codex linux-sandbox precisa de:
+      - pkg-config
+      - libcap (dev headers + libcap.pc)
+    """
+    pm = _detect_pkg_manager()
+    if pm is None:
+        raise RuntimeError(
+            "Missing system deps (pkg-config/libcap). No supported package manager found.\n"
+            "Install manually: pkg-config + libcap development package (contains libcap.pc)."
+        )
+
+    if not _have_sudo():
+        raise RuntimeError(
+            "Missing system deps (pkg-config/libcap) and sudo not found.\n"
+            "Install manually: pkg-config + libcap development package (contains libcap.pc)."
+        )
+
+    if not _sudo_noprompt_ok():
+        # sem prompt: a ensure_codex não pode ficar parada pedindo senha
+        raise RuntimeError(
+            "Missing system deps (pkg-config/libcap). Need sudo privileges.\n"
+            "Run manually (then re-run neuro):\n"
+            "  - Debian/Ubuntu: sudo apt-get update && sudo apt-get install -y pkg-config libcap-dev\n"
+            "  - Fedora:        sudo dnf install -y pkgconf-pkg-config libcap-devel\n"
+            "  - Arch:          sudo pacman -S --needed pkgconf libcap"
+        )
+
+    _print(f"Installing system dependencies via {pm} (sudo -n)...")
+
+    if pm == "apt-get":
+        _run(["sudo", "-n", "apt-get", "update"])
+        _run(["sudo", "-n", "apt-get", "install", "-y", "pkg-config", "libcap-dev"])
+    elif pm == "dnf":
+        _run(["sudo", "-n", "dnf", "install", "-y", "pkgconf-pkg-config", "libcap-devel"])
+    elif pm == "pacman":
+        _run(["sudo", "-n", "pacman", "-S", "--needed", "--noconfirm", "pkgconf", "libcap"])
+    elif pm == "zypper":
+        _run(["sudo", "-n", "zypper", "--non-interactive", "install", "pkg-config", "libcap-devel"])
+    else:
+        raise RuntimeError(f"Unsupported package manager: {pm}")
+
+
+def _ensure_linux_sandbox_deps(env: dict):
+    # Só faz sentido no Linux
+    if not sys.platform.startswith("linux"):
+        _print("Non-Linux platform detected; skipping linux-sandbox deps check.")
+        return
+
+    _print("Checking system deps for codex-linux-sandbox (pkg-config + libcap)...")
+
+    # pkg-config
+    if shutil.which("pkg-config") is None:
+        _print("pkg-config not found.")
+        _install_system_deps_for_linux_sandbox()
+        return
+
+    # libcap via pkg-config
+    try:
+        subprocess.check_call(["pkg-config", "--exists", "libcap"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        _print("libcap found via pkg-config.")
+    except Exception:
+        _print("libcap not found via pkg-config (libcap.pc missing).")
+        _install_system_deps_for_linux_sandbox()
+
+
+def _ensure_just(env: dict):
+    if shutil.which("just") is None:
+        _print("Installing just...")
+        _run(["bash", "-lc", "cargo install just"], env=env)
+    else:
+        _print("just already installed.")
+
+
+def _ensure_nextest(env: dict):
+    if shutil.which("cargo-nextest") is None:
+        _print("Installing cargo-nextest (optional)...")
+        _run(["bash", "-lc", "cargo install --locked cargo-nextest"], env=env)
+    else:
+        _print("cargo-nextest already installed.")
+
+
+def ensure_codex(base: Path) -> Path:
+    _print("Ensuring Codex build...")
+
+    cache, root, workspace, target_bin = _paths(base)
+    cache.mkdir(parents=True, exist_ok=True)
+    env = dict(os.environ)
+
+    # Repo
+    if not root.exists():
+        _print("Cloning Codex repository...")
+        _run(["git", "clone", CODEX_REPO, str(root)], cwd=cache, env=env)
+    else:
+        _print("Repository already exists. Checking for updates...")
+        _run(["git", "fetch"], cwd=root, env=env)
+        _run(["git", "pull"], cwd=root, env=env)
+
+    if not workspace.exists():
+        raise RuntimeError(f"Expected workspace not found: {workspace}")
+
+    # Rust
+    env = _ensure_rust_min(env)
+
+    # System deps (Linux sandbox)
+    _ensure_linux_sandbox_deps(env)
+
+    # Helper tools
+    _ensure_just(env)
+    _ensure_nextest(env)
+
+    # Build
+    _print("Building Codex...")
+    _run(["bash", "-lc", "cargo build"], cwd=workspace, env=env)
+
+    if not target_bin.exists():
+        raise RuntimeError(f"Codex build failed: binary not found at {target_bin}")
+
+    _print(f"Build complete: {target_bin}")
+    return target_bin
\ No newline at end of file
diff --git a/src/neuro/tools/human_agent/env.py.temp b/src/neuro/tools/human_agent/env.py.temp
new file mode 100644
index 0000000..4698ea3
--- /dev/null
+++ b/src/neuro/tools/human_agent/env.py.temp
@@ -0,0 +1 @@
+OPENAI_API = "<a_sua_chave_api>"
\ No newline at end of file
diff --git a/src/neuro/tools/infra_agent/custom_ubuntu_agent/.gitkeep b/src/neuro/tools/infra_agent/custom_ubuntu_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/django_agent/.gitkeep b/src/neuro/tools/infra_agent/django_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/docker_agent/.gitkeep b/src/neuro/tools/infra_agent/docker_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/flask_agent/.gitkeep b/src/neuro/tools/infra_agent/flask_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/neuronio_agent/.gitkeep b/src/neuro/tools/infra_agent/neuronio_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/nfdos_agent/.gitkeep b/src/neuro/tools/infra_agent/nfdos_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/packer_agent/.gitkeep b/src/neuro/tools/infra_agent/packer_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/terraform_agent/.gitkeep b/src/neuro/tools/infra_agent/terraform_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/vagrant_agent/.gitkeep b/src/neuro/tools/infra_agent/vagrant_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/infra_agent/wordpress_agent/.gitkeep b/src/neuro/tools/infra_agent/wordpress_agent/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tools/llm_agent/main.py b/src/neuro/tools/llm_agent/main.py
new file mode 100644
index 0000000..2335f72
--- /dev/null
+++ b/src/neuro/tools/llm_agent/main.py
@@ -0,0 +1,49 @@
+# src/neuro/tools/llm_agent/main.py
+from __future__ import annotations
+
+import shutil
+import subprocess
+import threading
+import time
+
+def _print(msg: str):
+    print(f"[llm] {msg}", flush=True)
+
+def ensure_ollama():
+    if shutil.which("ollama"):
+        _print("Ollama encontrado.")
+        return
+
+    _print("Ollama não encontrado. A instalar...")
+    subprocess.run(
+        ["bash", "-c", "curl -fsSL https://ollama.com/install.sh | sh"],
+        check=True
+    )
+
+
+def _ollama_running():
+    try:
+        subprocess.run(
+            ["ollama", "list"],
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
+            timeout=2,
+        )
+        return True
+    except Exception:
+        return False
+
+
+def ensure_ollama_serve():
+    if _ollama_running():
+        _print("Ollama serve já ativo.")
+        return
+
+    _print("A iniciar ollama serve...")
+
+    def _serve():
+        subprocess.run(["ollama", "serve"])
+
+    t = threading.Thread(target=_serve, daemon=True)
+    t.start()
+    time.sleep(2)
\ No newline at end of file
diff --git a/src/neuro/tui/app.py b/src/neuro/tui/app.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tui/screens.py b/src/neuro/tui/screens.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tui/state.py b/src/neuro/tui/state.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/tui/widgets.py b/src/neuro/tui/widgets.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/utils/logging.py b/src/neuro/utils/logging.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/utils/perf.py b/src/neuro/utils/perf.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/neuro/utils/rng.py b/src/neuro/utils/rng.py
new file mode 100644
index 0000000..e69de29