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/codegen/kigi-shell/src/inspect/compat.rs

@@ -0,0 +1,305 @@
+//! Vendor-compat resolution for `grok inspect`.
+//!
+//! Resolves the local env/config/default stack into a diagnostic report.
+
+use kigi_tools::types::compat::{COMPAT_CELLS, CompatCell, CompatConfig};
+use serde::Serialize;
+
+/// Derive the vendor origin from a file path. Returns `Some("cursor")` or
+/// `Some("claude")` when the path passes through a vendor config directory;
+/// `None` for native `.kigi`/`.agents` paths.
+pub(super) fn derive_vendor(path: &str) -> Option<&'static str> {
+    if path.contains("/.cursor/") || path.contains("\\.cursor\\") || path.ends_with("/.cursor") {
+        Some("cursor")
+    } else if path.contains("/.claude/")
+        || path.contains("\\.claude\\")
+        || path.ends_with("/.claude")
+        || path.contains("/.claude.json")
+    {
+        Some("claude")
+    } else {
+        None
+    }
+}
+
+pub(super) fn instruction_compat_status(
+    vendor: &Option<String>,
+    file_type: &str,
+    compat: &ExternalCompatReport,
+) -> Option<CompatEntryStatus> {
+    let surface = if file_type == "rules" {
+        "rules"
+    } else {
+        "agents"
+    };
+    vendor_compat_status(vendor, surface, compat)
+}
+
+pub(super) fn vendor_compat_status(
+    vendor: &Option<String>,
+    surface: &str,
+    compat: &ExternalCompatReport,
+) -> Option<CompatEntryStatus> {
+    let vendor = vendor.as_deref()?;
+    if !matches!(vendor, "cursor" | "claude") {
+        return None;
+    }
+    compat.status(vendor, surface)
+}
+
+/// Format a vendor tag for human output (e.g. " [cursor]"), empty for native.
+pub(super) fn vendor_tag(vendor: &Option<String>) -> String {
+    match vendor {
+        Some(v) => format!(" [{}]", v),
+        None => String::new(),
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum CompatEntryStatus {
+    Enabled,
+    Disabled,
+}
+
+/// Which resolution layer determined a vendor-compat cell's value.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum CompatSource {
+    Env,
+    Config,
+    ConfigError,
+    Default,
+}
+
+impl std::fmt::Display for CompatSource {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let s = match self {
+            Self::Env => "env",
+            Self::Config => "config",
+            Self::ConfigError => "config error; fail closed",
+            Self::Default => "default",
+        };
+        f.write_str(s)
+    }
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ExternalCompatEntry {
+    pub vendor: String,
+    pub surface: String,
+    pub enabled: bool,
+    pub source: CompatSource,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ExternalCompatReport {
+    pub remote_settings_loaded: bool,
+    pub cells: Vec<ExternalCompatEntry>,
+}
+
+impl ExternalCompatReport {
+    fn status(&self, vendor: &str, surface: &str) -> Option<CompatEntryStatus> {
+        self.cells
+            .iter()
+            .find(|cell| cell.vendor == vendor && cell.surface == surface)
+            .map(|cell| {
+                if cell.enabled {
+                    CompatEntryStatus::Enabled
+                } else {
+                    CompatEntryStatus::Disabled
+                }
+            })
+    }
+}
+
+pub(super) fn resolve_inspect_compat(
+    effective_config: Result<&toml::Value, ()>,
+) -> ExternalCompatReport {
+    resolve_inspect_compat_with_env(effective_config, |cell| {
+        kigi_config::env_bool(cell.env_var())
+    })
+}
+
+pub(super) fn resolve_inspect_compat_with_env(
+    effective_config: Result<&toml::Value, ()>,
+    env_value: impl Fn(CompatCell) -> Option<bool>,
+) -> ExternalCompatReport {
+    let defaults = CompatConfig::default();
+    let cells = COMPAT_CELLS
+        .into_iter()
+        .filter(|cell| cell.is_runtime_supported())
+        .map(|cell| {
+            let config = crate::agent::config::compat_config_cell(effective_config, cell);
+            resolve_compat_entry(cell, env_value(cell), config, defaults.value(cell))
+        })
+        .collect();
+
+    ExternalCompatReport {
+        remote_settings_loaded: false,
+        cells,
+    }
+}
+
+fn resolve_compat_entry(
+    cell: CompatCell,
+    env: Option<bool>,
+    config: Result<Option<bool>, crate::agent::config::CompatConfigCellError>,
+    default: bool,
+) -> ExternalCompatEntry {
+    let (config, config_error) = match config {
+        Ok(value) => (value, false),
+        Err(_) => (Some(false), true),
+    };
+    let resolved = crate::agent::config::resolve_compat_cell_with_env(env, config, None, default);
+    let source = if env.is_some() {
+        CompatSource::Env
+    } else if config.is_some() {
+        if config_error {
+            CompatSource::ConfigError
+        } else {
+            CompatSource::Config
+        }
+    } else {
+        CompatSource::Default
+    };
+
+    ExternalCompatEntry {
+        vendor: cell.vendor().as_str().to_owned(),
+        surface: cell.surface().as_str().to_owned(),
+        enabled: resolved.value,
+        source,
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn resolve_without_env(effective_config: Result<&toml::Value, ()>) -> ExternalCompatReport {
+        resolve_inspect_compat_with_env(effective_config, |_| None)
+    }
+
+    fn entry<'a>(
+        report: &'a ExternalCompatReport,
+        vendor: &str,
+        surface: &str,
+    ) -> &'a ExternalCompatEntry {
+        report
+            .cells
+            .iter()
+            .find(|entry| entry.vendor == vendor && entry.surface == surface)
+            .unwrap()
+    }
+
+    #[test]
+    fn empty_config_reports_defaults_and_remote_not_loaded() {
+        let effective_config = toml::Value::Table(toml::map::Map::new());
+        let report = resolve_without_env(Ok(&effective_config));
+
+        assert!(!report.remote_settings_loaded);
+        assert_eq!(report.cells.len(), 13);
+        assert!(
+            report
+                .cells
+                .iter()
+                .all(|cell| cell.enabled && cell.source == CompatSource::Default)
+        );
+        assert_eq!(
+            report
+                .cells
+                .iter()
+                .filter(|entry| entry.vendor == "codex")
+                .map(|entry| entry.surface.as_str())
+                .collect::<Vec<_>>(),
+            vec!["sessions"]
+        );
+        let session = entry(&report, "codex", "sessions");
+        assert_eq!(session.enabled, CompatConfig::default().codex.sessions);
+        assert_eq!(session.source, CompatSource::Default);
+        let json = serde_json::to_value(&report).unwrap();
+        assert_eq!(json["remoteSettingsLoaded"], false);
+        assert_eq!(
+            serde_json::to_value(session).unwrap(),
+            serde_json::json!({
+                "vendor": "codex",
+                "surface": "sessions",
+                "enabled": true,
+                "source": "default"
+            })
+        );
+    }
+
+    #[test]
+    fn inspect_compat_uses_env_config_default_precedence() {
+        let effective_config: toml::Value =
+            toml::from_str("[compat.cursor]\nskills = false\nrules = false\n").unwrap();
+        let report = resolve_inspect_compat_with_env(Ok(&effective_config), |cell| {
+            (cell.env_var() == "KIGI_CURSOR_SKILLS_ENABLED").then_some(true)
+        });
+
+        let skills = entry(&report, "cursor", "skills");
+        assert!(skills.enabled);
+        assert_eq!(skills.source, CompatSource::Env);
+        let rules = entry(&report, "cursor", "rules");
+        assert!(!rules.enabled);
+        assert_eq!(rules.source, CompatSource::Config);
+        let agents = entry(&report, "cursor", "agents");
+        assert!(agents.enabled);
+        assert_eq!(agents.source, CompatSource::Default);
+    }
+
+    #[test]
+    fn config_load_failure_fails_closed_unless_env_overrides() {
+        let report = resolve_inspect_compat_with_env(Err(()), |cell| {
+            (cell.env_var() == "KIGI_CURSOR_SKILLS_ENABLED").then_some(true)
+        });
+
+        let skills = entry(&report, "cursor", "skills");
+        assert!(skills.enabled);
+        assert_eq!(skills.source, CompatSource::Env);
+        let rules = entry(&report, "cursor", "rules");
+        assert!(!rules.enabled);
+        assert_eq!(rules.source, CompatSource::ConfigError);
+        assert_eq!(
+            serde_json::to_value(rules).unwrap(),
+            serde_json::json!({
+                "vendor": "cursor",
+                "surface": "rules",
+                "enabled": false,
+                "source": "configError"
+            })
+        );
+    }
+
+    #[test]
+    fn malformed_cell_fails_closed_without_erasing_valid_cells() {
+        let effective_config: toml::Value = toml::from_str(
+            r#"
+[compat.cursor]
+skills = false
+rules = "malformed"
+agents = true
+[compat.claude]
+hooks = false
+"#,
+        )
+        .unwrap();
+        let report = resolve_without_env(Ok(&effective_config));
+
+        let skills = entry(&report, "cursor", "skills");
+        assert!(!skills.enabled);
+        assert_eq!(skills.source, CompatSource::Config);
+        let rules = entry(&report, "cursor", "rules");
+        assert!(!rules.enabled);
+        assert_eq!(rules.source, CompatSource::ConfigError);
+        let agents = entry(&report, "cursor", "agents");
+        assert!(agents.enabled);
+        assert_eq!(agents.source, CompatSource::Config);
+        let hooks = entry(&report, "claude", "hooks");
+        assert!(!hooks.enabled);
+        assert_eq!(hooks.source, CompatSource::Config);
+    }
+}