Pausa: 11 crates del fractal Ente #0 con cerebro completo

PID 1 boot + bus interno autenticado + cerebro KCL/Rust:
- 6 lib crates de infra (card, bus, cas, kernel, soma, wasm, snapshot)
- ente-brain: motor de reglas O(1), observer Shannon, cristalización,
  audit hash-chain, persistencia rules.k, Prometheus /metrics
- KCL schemas card.k + rule.k como gramática autoritativa
- compat-logind D-Bus, ente-echo demo provider, ente-zero PID 1
- 22 tests OK, ~3.8k LOC Rust + ~300 LOC KCL

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,44 @@
+[workspace]
+resolver = "2"
+members = [
+    "crates/ente-card",
+    "crates/ente-bus",
+    "crates/ente-cas",
+    "crates/ente-kernel",
+    "crates/ente-soma",
+    "crates/ente-wasm",
+    "crates/ente-snapshot",
+    "crates/ente-brain",
+    "crates/ente-zero",
+    "crates/ente-echo",
+    "crates/ente-logind-compat",
+]
+
+[workspace.package]
+edition = "2021"
+license = "MIT OR Apache-2.0"
+publish = false
+
+[workspace.dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+ulid = { version = "1", features = ["serde"] }
+tokio = { version = "1", features = ["rt", "macros", "io-util", "net", "time", "sync", "fs", "process", "signal"] }
+nix = { version = "0.29", features = ["signal", "process", "sched", "mount", "fs", "socket", "net", "user"] }
+libc = "0.2"
+anyhow = "1"
+thiserror = "1"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+postcard = { version = "1", features = ["use-std"] }
+wasmi = "0.40"
+wat = "1"
+sha2 = "0.10"
+bincode = "1"
+base64 = "0.22"
+
+[profile.release]
+lto = "thin"
+codegen-units = 1
+strip = true
+panic = "abort"