M0: compilable skeleton — Kigi 0.1.0 fork surgery

Hard fork of xai-org/grok-build (Apache-2.0) re-targeted as Kigi, an
unofficial Kimi Code CLI community build.

Rename & identity
- 72 xai-*/xai-grok-* crates -> kigi-* (explicit: xai-grok-pager-bin ->
  kigi-bin [binary `kigi`], xai-grok-pager -> kigi-tui; rest mechanical);
  ptyctl, ptyctl-cli, third_party/ unchanged; proto package
  xai.grok.tools.v1 -> kigi.tools.v1
- Config home ~/.kigi (KIGI_SHARE_DIR override), env prefix GROK_* ->
  KIGI_*, `kigi --version` carries the unofficial-community-build notice
- clap identity, help text, startup banner, prompt templates rebranded
  (templates re-encrypted)

Deletions (PRD removal list #5/#6/#7/#9/#10)
- voice input (xai-grok-voice) and all TUI wiring
- telemetry: Mixpanel client, external OTel stream, Sentry, OTLP layers,
  trace/GCS/S3 upload queues (kigi-file-utils halved), workspace upload
  module & dc_log, heap-profile uploader, auth-diagnostics uploader,
  session-analytics halves of feedback; local zero-egress observability
  preserved in new kigi-log crate (unified log, --debug firehose,
  subsystem file logs, opt-in instrumentation)
- announcements (crate, remote-settings fields, TUI surfaces)
- plugin marketplace (crate, sources/browse/CTA/extensions-modal tab);
  direct plugin install/uninstall/update via kigi-agent git_install kept
- relay/gateway/assets endpoints and features (agent relay, headless
  relay transport, gateway bridge, LeaderEnvUrls); leader IPC socket now
  ~/.kigi/leader.sock + KIGI_LEADER_SOCKET, no ws-url derivation
- functional types rehomed instead of deleted: PermissionMode ->
  kigi-config-types, McpInitStrategy -> kigi-mcp, PrCreationSource ->
  session signals, TerminalDiagnostics -> kigi-pager-render, agent_id ->
  shell util

Endpoints
- kigi-env rewritten: single production KigiEndpoints {coding_api_base_url
  https://api.kimi.com/coding/v1 (KIGI_CODE_BASE_URL), oauth_host
  https://auth.kimi.com (KIGI_OAUTH_HOST), update_base_url (GitHub
  Releases API), upgrade_page_url}; GrokBuildEnvironment enum deleted

Toolchain & workspace hygiene
- Rust 1.97.0 pinned; edition 2024; full cargo update; git2 hoisted to
  workspace at 0.21 (Option->Result API migration), quick-xml 0.41
- Root Cargo.toml hand-maintained (PRD §8.1): version 0.1.0 inherited by
  all members, members sorted, unused deps pruned
- cargo-deny advisories gate (deny.toml with documented transitive
  exceptions); CI workflow (check/clippy/fmt/deny/test, macOS+Linux)
- cross-crate test seams re-gated behind `test-support` cargo feature;
  insta snapshot baselines renamed to the kigi_tui prefix
- clippy --workspace --all-targets: zero warnings; fmt clean

Fixes surfaced by the port
- updater probe/installer divergence (bin/kigi vs bin/grok symlink set)
- idle model-metadata refresh dead under KIGI_CODE_BASE_URL override
  (new is_effective_coding_endpoint_url, loopback+override aware)
- macOS symlinked-TMPDIR fixture canonicalization (foreign_sessions,
  fast-worktree); RSS measurement tests serialized via serial_test

Docs & legal (Apache §4)
- NOTICE added (upstream attribution + change statement); THIRD-PARTY
  notices sustained; kigi-tools ported-code notices extended; README,
  CONTRIBUTING, SECURITY, AGENTS.md rewritten

Out of scope for M0 (tracked): Kimi auth/inference (M1), search/fetch,
command parity, config import (M2), Computer Hub excision & final
brand-token sweep (M2), distribution & self-update rewrite (M3).

crates/common/kigi-computer-hub-core/src/local.rs

@@ -0,0 +1,77 @@
+//! In-process transport that resolves through a [`CompoundResolver`].
+//!
+//! `LocalTransport` is bound to a single `(user_id, session_id)` at
+//! construction. Authorisation returns a principal pre-populated with the
+//! bound session and the `tool.invoke` scope; per-call dispatch resolves
+//! against the bound session's view of the resolver.
+
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use serde_json::Value;
+
+use kigi_tool_protocol::{SessionId, ToolId, UserId};
+use kigi_tool_runtime::{ToolCallContext, ToolError, ToolStream, TypedToolOutput};
+
+use crate::resolver::CompoundResolver;
+use crate::transport::{Principal, Transport, TransportKind};
+
+/// The scope `LocalTransport::authorize` grants to its principal.
+///
+/// Hoisted so adapters that authorise principals through other paths
+/// can match the local convention without restating the literal.
+pub const LOCAL_INVOKE_SCOPE: &str = "tool.invoke";
+
+/// Transport that dispatches against an in-process resolver.
+#[derive(Debug)]
+pub struct LocalTransport {
+    resolver: Arc<CompoundResolver>,
+    user_id: UserId,
+    session_id: SessionId,
+}
+
+impl LocalTransport {
+    /// Build a transport bound to `(user_id, session_id)` and resolving
+    /// through `resolver`.
+    pub fn new(resolver: Arc<CompoundResolver>, user_id: UserId, session_id: SessionId) -> Self {
+        Self {
+            resolver,
+            user_id,
+            session_id,
+        }
+    }
+
+    /// Bound user identity for this transport.
+    pub fn user_id(&self) -> &UserId {
+        &self.user_id
+    }
+
+    /// Bound session for this transport.
+    pub fn session_id(&self) -> &SessionId {
+        &self.session_id
+    }
+}
+
+#[async_trait]
+impl Transport for LocalTransport {
+    fn kind(&self) -> TransportKind {
+        TransportKind::Local
+    }
+
+    async fn authorize(&self) -> Result<Principal, ToolError> {
+        Ok(Principal::new(self.user_id.clone())
+            .with_session(self.session_id.clone())
+            .with_scope(LOCAL_INVOKE_SCOPE))
+    }
+
+    async fn call(
+        &self,
+        tool_id: ToolId,
+        args: Value,
+        ctx: ToolCallContext,
+    ) -> ToolStream<TypedToolOutput> {
+        self.resolver
+            .resolve_and_dispatch(&self.session_id, tool_id, args, ctx)
+            .await
+    }
+}