lean_ctx/core/
config.rs

1use serde::{Deserialize, Serialize};
2use std::path::PathBuf;
3use std::sync::Mutex;
4use std::time::SystemTime;
5
6#[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq)]
7#[serde(rename_all = "lowercase")]
8pub enum TeeMode {
9    Never,
10    #[default]
11    Failures,
12    Always,
13}
14
15#[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq)]
16#[serde(rename_all = "lowercase")]
17pub enum TerseAgent {
18    #[default]
19    Off,
20    Lite,
21    Full,
22    Ultra,
23}
24
25impl TerseAgent {
26    pub fn from_env() -> Self {
27        match std::env::var("LEAN_CTX_TERSE_AGENT")
28            .unwrap_or_default()
29            .to_lowercase()
30            .as_str()
31        {
32            "lite" => Self::Lite,
33            "full" => Self::Full,
34            "ultra" => Self::Ultra,
35            "off" | "0" | "false" => Self::Off,
36            _ => Self::Off,
37        }
38    }
39
40    pub fn effective(config_val: &TerseAgent) -> Self {
41        match std::env::var("LEAN_CTX_TERSE_AGENT") {
42            Ok(val) if !val.is_empty() => match val.to_lowercase().as_str() {
43                "lite" => Self::Lite,
44                "full" => Self::Full,
45                "ultra" => Self::Ultra,
46                _ => Self::Off,
47            },
48            _ => config_val.clone(),
49        }
50    }
51
52    pub fn is_active(&self) -> bool {
53        !matches!(self, Self::Off)
54    }
55}
56
57#[derive(Debug, Clone, Default, Serialize, Deserialize, PartialEq)]
58#[serde(rename_all = "lowercase")]
59pub enum OutputDensity {
60    #[default]
61    Normal,
62    Terse,
63    Ultra,
64}
65
66impl OutputDensity {
67    pub fn from_env() -> Self {
68        match std::env::var("LEAN_CTX_OUTPUT_DENSITY")
69            .unwrap_or_default()
70            .to_lowercase()
71            .as_str()
72        {
73            "terse" => Self::Terse,
74            "ultra" => Self::Ultra,
75            _ => Self::Normal,
76        }
77    }
78
79    pub fn effective(config_val: &OutputDensity) -> Self {
80        let env_val = Self::from_env();
81        if env_val != Self::Normal {
82            return env_val;
83        }
84        config_val.clone()
85    }
86}
87
88#[derive(Debug, Clone, Serialize, Deserialize)]
89#[serde(default)]
90pub struct Config {
91    pub ultra_compact: bool,
92    #[serde(default, deserialize_with = "deserialize_tee_mode")]
93    pub tee_mode: TeeMode,
94    #[serde(default)]
95    pub output_density: OutputDensity,
96    pub checkpoint_interval: u32,
97    pub excluded_commands: Vec<String>,
98    pub passthrough_urls: Vec<String>,
99    pub custom_aliases: Vec<AliasEntry>,
100    /// Commands taking longer than this threshold (ms) are recorded in the slow log.
101    /// Set to 0 to disable slow logging.
102    pub slow_command_threshold_ms: u64,
103    #[serde(default = "default_theme")]
104    pub theme: String,
105    #[serde(default)]
106    pub cloud: CloudConfig,
107    #[serde(default)]
108    pub autonomy: AutonomyConfig,
109    #[serde(default = "default_buddy_enabled")]
110    pub buddy_enabled: bool,
111    #[serde(default)]
112    pub redirect_exclude: Vec<String>,
113    /// Tools to exclude from the MCP tool list returned by list_tools.
114    /// Accepts exact tool names (e.g. ["ctx_graph", "ctx_agent"]).
115    /// Empty by default — all tools listed, no behaviour change.
116    #[serde(default)]
117    pub disabled_tools: Vec<String>,
118    #[serde(default)]
119    pub loop_detection: LoopDetectionConfig,
120    /// Controls where lean-ctx installs agent rule files.
121    /// Values: "both" (default), "global" (home-dir only), "project" (repo-local only).
122    /// Override via LEAN_CTX_RULES_SCOPE env var.
123    #[serde(default)]
124    pub rules_scope: Option<String>,
125    /// Extra glob patterns to ignore in graph/overview/preload (repo-local).
126    /// Example: ["externals/**", "target/**", "temp/**"]
127    #[serde(default)]
128    pub extra_ignore_patterns: Vec<String>,
129    /// Controls agent output verbosity via instructions injection.
130    /// Values: "off" (default), "lite", "full", "ultra".
131    /// Override via LEAN_CTX_TERSE_AGENT env var.
132    #[serde(default)]
133    pub terse_agent: TerseAgent,
134    /// Archive configuration for zero-loss compression.
135    #[serde(default)]
136    pub archive: ArchiveConfig,
137    /// Additional paths allowed by PathJail (absolute).
138    /// Useful for multi-project workspaces where the jail root is a parent directory.
139    /// Override via LEAN_CTX_ALLOW_PATH env var (path-list separator).
140    #[serde(default)]
141    pub allow_paths: Vec<String>,
142    /// Enable content-defined chunking (Rabin-Karp) for cache-optimal output ordering.
143    /// Stable chunks are emitted first to maximize prompt cache hits.
144    #[serde(default)]
145    pub content_defined_chunking: bool,
146    /// Skip session/knowledge/gotcha blocks in MCP instructions to minimize token overhead.
147    /// Override via LEAN_CTX_MINIMAL env var.
148    #[serde(default)]
149    pub minimal_overhead: bool,
150    /// Disable shell hook injection (the _lc() function that wraps CLI commands).
151    /// Override via LEAN_CTX_NO_HOOK env var.
152    #[serde(default)]
153    pub shell_hook_disabled: bool,
154}
155
156#[derive(Debug, Clone, Serialize, Deserialize)]
157#[serde(default)]
158pub struct ArchiveConfig {
159    pub enabled: bool,
160    pub threshold_chars: usize,
161    pub max_age_hours: u64,
162    pub max_disk_mb: u64,
163}
164
165impl Default for ArchiveConfig {
166    fn default() -> Self {
167        Self {
168            enabled: true,
169            threshold_chars: 4096,
170            max_age_hours: 48,
171            max_disk_mb: 500,
172        }
173    }
174}
175
176fn default_buddy_enabled() -> bool {
177    true
178}
179
180fn deserialize_tee_mode<'de, D>(deserializer: D) -> Result<TeeMode, D::Error>
181where
182    D: serde::Deserializer<'de>,
183{
184    use serde::de::Error;
185    let v = serde_json::Value::deserialize(deserializer)?;
186    match &v {
187        serde_json::Value::Bool(true) => Ok(TeeMode::Failures),
188        serde_json::Value::Bool(false) => Ok(TeeMode::Never),
189        serde_json::Value::String(s) => match s.as_str() {
190            "never" => Ok(TeeMode::Never),
191            "failures" => Ok(TeeMode::Failures),
192            "always" => Ok(TeeMode::Always),
193            other => Err(D::Error::custom(format!("unknown tee_mode: {other}"))),
194        },
195        _ => Err(D::Error::custom("tee_mode must be string or bool")),
196    }
197}
198
199fn default_theme() -> String {
200    "default".to_string()
201}
202
203#[derive(Debug, Clone, Serialize, Deserialize)]
204#[serde(default)]
205pub struct AutonomyConfig {
206    pub enabled: bool,
207    pub auto_preload: bool,
208    pub auto_dedup: bool,
209    pub auto_related: bool,
210    pub auto_consolidate: bool,
211    pub silent_preload: bool,
212    pub dedup_threshold: usize,
213    pub consolidate_every_calls: u32,
214    pub consolidate_cooldown_secs: u64,
215}
216
217impl Default for AutonomyConfig {
218    fn default() -> Self {
219        Self {
220            enabled: true,
221            auto_preload: true,
222            auto_dedup: true,
223            auto_related: true,
224            auto_consolidate: true,
225            silent_preload: true,
226            dedup_threshold: 8,
227            consolidate_every_calls: 25,
228            consolidate_cooldown_secs: 120,
229        }
230    }
231}
232
233impl AutonomyConfig {
234    pub fn from_env() -> Self {
235        let mut cfg = Self::default();
236        if let Ok(v) = std::env::var("LEAN_CTX_AUTONOMY") {
237            if v == "false" || v == "0" {
238                cfg.enabled = false;
239            }
240        }
241        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_PRELOAD") {
242            cfg.auto_preload = v != "false" && v != "0";
243        }
244        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_DEDUP") {
245            cfg.auto_dedup = v != "false" && v != "0";
246        }
247        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_RELATED") {
248            cfg.auto_related = v != "false" && v != "0";
249        }
250        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_CONSOLIDATE") {
251            cfg.auto_consolidate = v != "false" && v != "0";
252        }
253        if let Ok(v) = std::env::var("LEAN_CTX_SILENT_PRELOAD") {
254            cfg.silent_preload = v != "false" && v != "0";
255        }
256        if let Ok(v) = std::env::var("LEAN_CTX_DEDUP_THRESHOLD") {
257            if let Ok(n) = v.parse() {
258                cfg.dedup_threshold = n;
259            }
260        }
261        if let Ok(v) = std::env::var("LEAN_CTX_CONSOLIDATE_EVERY_CALLS") {
262            if let Ok(n) = v.parse() {
263                cfg.consolidate_every_calls = n;
264            }
265        }
266        if let Ok(v) = std::env::var("LEAN_CTX_CONSOLIDATE_COOLDOWN_SECS") {
267            if let Ok(n) = v.parse() {
268                cfg.consolidate_cooldown_secs = n;
269            }
270        }
271        cfg
272    }
273
274    pub fn load() -> Self {
275        let file_cfg = Config::load().autonomy;
276        let mut cfg = file_cfg;
277        if let Ok(v) = std::env::var("LEAN_CTX_AUTONOMY") {
278            if v == "false" || v == "0" {
279                cfg.enabled = false;
280            }
281        }
282        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_PRELOAD") {
283            cfg.auto_preload = v != "false" && v != "0";
284        }
285        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_DEDUP") {
286            cfg.auto_dedup = v != "false" && v != "0";
287        }
288        if let Ok(v) = std::env::var("LEAN_CTX_AUTO_RELATED") {
289            cfg.auto_related = v != "false" && v != "0";
290        }
291        if let Ok(v) = std::env::var("LEAN_CTX_SILENT_PRELOAD") {
292            cfg.silent_preload = v != "false" && v != "0";
293        }
294        if let Ok(v) = std::env::var("LEAN_CTX_DEDUP_THRESHOLD") {
295            if let Ok(n) = v.parse() {
296                cfg.dedup_threshold = n;
297            }
298        }
299        cfg
300    }
301}
302
303#[derive(Debug, Clone, Serialize, Deserialize, Default)]
304#[serde(default)]
305pub struct CloudConfig {
306    pub contribute_enabled: bool,
307    pub last_contribute: Option<String>,
308    pub last_sync: Option<String>,
309    pub last_gain_sync: Option<String>,
310    pub last_model_pull: Option<String>,
311}
312
313#[derive(Debug, Clone, Serialize, Deserialize)]
314pub struct AliasEntry {
315    pub command: String,
316    pub alias: String,
317}
318
319#[derive(Debug, Clone, Serialize, Deserialize)]
320#[serde(default)]
321pub struct LoopDetectionConfig {
322    pub normal_threshold: u32,
323    pub reduced_threshold: u32,
324    pub blocked_threshold: u32,
325    pub window_secs: u64,
326    pub search_group_limit: u32,
327}
328
329impl Default for LoopDetectionConfig {
330    fn default() -> Self {
331        Self {
332            normal_threshold: 2,
333            reduced_threshold: 4,
334            blocked_threshold: 6,
335            window_secs: 300,
336            search_group_limit: 10,
337        }
338    }
339}
340
341impl Default for Config {
342    fn default() -> Self {
343        Self {
344            ultra_compact: false,
345            tee_mode: TeeMode::default(),
346            output_density: OutputDensity::default(),
347            checkpoint_interval: 15,
348            excluded_commands: Vec::new(),
349            passthrough_urls: Vec::new(),
350            custom_aliases: Vec::new(),
351            slow_command_threshold_ms: 5000,
352            theme: default_theme(),
353            cloud: CloudConfig::default(),
354            autonomy: AutonomyConfig::default(),
355            buddy_enabled: default_buddy_enabled(),
356            redirect_exclude: Vec::new(),
357            disabled_tools: Vec::new(),
358            loop_detection: LoopDetectionConfig::default(),
359            rules_scope: None,
360            extra_ignore_patterns: Vec::new(),
361            terse_agent: TerseAgent::default(),
362            archive: ArchiveConfig::default(),
363            allow_paths: Vec::new(),
364            content_defined_chunking: false,
365            minimal_overhead: false,
366            shell_hook_disabled: false,
367        }
368    }
369}
370
371#[derive(Debug, Clone, Copy, PartialEq, Eq)]
372pub enum RulesScope {
373    Both,
374    Global,
375    Project,
376}
377
378impl Config {
379    pub fn rules_scope_effective(&self) -> RulesScope {
380        let raw = std::env::var("LEAN_CTX_RULES_SCOPE")
381            .ok()
382            .or_else(|| self.rules_scope.clone())
383            .unwrap_or_default();
384        match raw.trim().to_lowercase().as_str() {
385            "global" => RulesScope::Global,
386            "project" => RulesScope::Project,
387            _ => RulesScope::Both,
388        }
389    }
390
391    fn parse_disabled_tools_env(val: &str) -> Vec<String> {
392        val.split(',')
393            .map(|s| s.trim().to_string())
394            .filter(|s| !s.is_empty())
395            .collect()
396    }
397
398    pub fn disabled_tools_effective(&self) -> Vec<String> {
399        if let Ok(val) = std::env::var("LEAN_CTX_DISABLED_TOOLS") {
400            Self::parse_disabled_tools_env(&val)
401        } else {
402            self.disabled_tools.clone()
403        }
404    }
405
406    pub fn minimal_overhead_effective(&self) -> bool {
407        std::env::var("LEAN_CTX_MINIMAL").is_ok() || self.minimal_overhead
408    }
409
410    pub fn shell_hook_disabled_effective(&self) -> bool {
411        std::env::var("LEAN_CTX_NO_HOOK").is_ok() || self.shell_hook_disabled
412    }
413}
414
415#[cfg(test)]
416mod disabled_tools_tests {
417    use super::*;
418
419    #[test]
420    fn config_field_default_is_empty() {
421        let cfg = Config::default();
422        assert!(cfg.disabled_tools.is_empty());
423    }
424
425    #[test]
426    fn effective_returns_config_field_when_no_env_var() {
427        // Only meaningful when LEAN_CTX_DISABLED_TOOLS is unset; skip otherwise.
428        if std::env::var("LEAN_CTX_DISABLED_TOOLS").is_ok() {
429            return;
430        }
431        let cfg = Config {
432            disabled_tools: vec!["ctx_graph".to_string(), "ctx_agent".to_string()],
433            ..Default::default()
434        };
435        assert_eq!(
436            cfg.disabled_tools_effective(),
437            vec!["ctx_graph", "ctx_agent"]
438        );
439    }
440
441    #[test]
442    fn parse_env_basic() {
443        let result = Config::parse_disabled_tools_env("ctx_graph,ctx_agent");
444        assert_eq!(result, vec!["ctx_graph", "ctx_agent"]);
445    }
446
447    #[test]
448    fn parse_env_trims_whitespace_and_skips_empty() {
449        let result = Config::parse_disabled_tools_env(" ctx_graph , , ctx_agent ");
450        assert_eq!(result, vec!["ctx_graph", "ctx_agent"]);
451    }
452
453    #[test]
454    fn parse_env_single_entry() {
455        let result = Config::parse_disabled_tools_env("ctx_graph");
456        assert_eq!(result, vec!["ctx_graph"]);
457    }
458
459    #[test]
460    fn parse_env_empty_string_returns_empty() {
461        let result = Config::parse_disabled_tools_env("");
462        assert!(result.is_empty());
463    }
464
465    #[test]
466    fn disabled_tools_deserialization_defaults_to_empty() {
467        let cfg: Config = toml::from_str("").unwrap();
468        assert!(cfg.disabled_tools.is_empty());
469    }
470
471    #[test]
472    fn disabled_tools_deserialization_from_toml() {
473        let cfg: Config = toml::from_str(r#"disabled_tools = ["ctx_graph", "ctx_agent"]"#).unwrap();
474        assert_eq!(cfg.disabled_tools, vec!["ctx_graph", "ctx_agent"]);
475    }
476}
477
478#[cfg(test)]
479mod rules_scope_tests {
480    use super::*;
481
482    #[test]
483    fn default_is_both() {
484        let cfg = Config::default();
485        assert_eq!(cfg.rules_scope_effective(), RulesScope::Both);
486    }
487
488    #[test]
489    fn config_global() {
490        let cfg = Config {
491            rules_scope: Some("global".to_string()),
492            ..Default::default()
493        };
494        assert_eq!(cfg.rules_scope_effective(), RulesScope::Global);
495    }
496
497    #[test]
498    fn config_project() {
499        let cfg = Config {
500            rules_scope: Some("project".to_string()),
501            ..Default::default()
502        };
503        assert_eq!(cfg.rules_scope_effective(), RulesScope::Project);
504    }
505
506    #[test]
507    fn unknown_value_falls_back_to_both() {
508        let cfg = Config {
509            rules_scope: Some("nonsense".to_string()),
510            ..Default::default()
511        };
512        assert_eq!(cfg.rules_scope_effective(), RulesScope::Both);
513    }
514
515    #[test]
516    fn deserialization_none_by_default() {
517        let cfg: Config = toml::from_str("").unwrap();
518        assert!(cfg.rules_scope.is_none());
519        assert_eq!(cfg.rules_scope_effective(), RulesScope::Both);
520    }
521
522    #[test]
523    fn deserialization_from_toml() {
524        let cfg: Config = toml::from_str(r#"rules_scope = "project""#).unwrap();
525        assert_eq!(cfg.rules_scope.as_deref(), Some("project"));
526        assert_eq!(cfg.rules_scope_effective(), RulesScope::Project);
527    }
528}
529
530#[cfg(test)]
531mod loop_detection_config_tests {
532    use super::*;
533
534    #[test]
535    fn defaults_are_reasonable() {
536        let cfg = LoopDetectionConfig::default();
537        assert_eq!(cfg.normal_threshold, 2);
538        assert_eq!(cfg.reduced_threshold, 4);
539        assert_eq!(cfg.blocked_threshold, 6);
540        assert_eq!(cfg.window_secs, 300);
541        assert_eq!(cfg.search_group_limit, 10);
542    }
543
544    #[test]
545    fn deserialization_defaults_when_missing() {
546        let cfg: Config = toml::from_str("").unwrap();
547        assert_eq!(cfg.loop_detection.blocked_threshold, 6);
548        assert_eq!(cfg.loop_detection.search_group_limit, 10);
549    }
550
551    #[test]
552    fn deserialization_from_toml() {
553        let cfg: Config = toml::from_str(
554            r#"
555            [loop_detection]
556            normal_threshold = 1
557            reduced_threshold = 3
558            blocked_threshold = 5
559            window_secs = 120
560            search_group_limit = 8
561            "#,
562        )
563        .unwrap();
564        assert_eq!(cfg.loop_detection.normal_threshold, 1);
565        assert_eq!(cfg.loop_detection.reduced_threshold, 3);
566        assert_eq!(cfg.loop_detection.blocked_threshold, 5);
567        assert_eq!(cfg.loop_detection.window_secs, 120);
568        assert_eq!(cfg.loop_detection.search_group_limit, 8);
569    }
570
571    #[test]
572    fn partial_override_keeps_defaults() {
573        let cfg: Config = toml::from_str(
574            r#"
575            [loop_detection]
576            blocked_threshold = 10
577            "#,
578        )
579        .unwrap();
580        assert_eq!(cfg.loop_detection.blocked_threshold, 10);
581        assert_eq!(cfg.loop_detection.normal_threshold, 2);
582        assert_eq!(cfg.loop_detection.search_group_limit, 10);
583    }
584}
585
586impl Config {
587    pub fn path() -> Option<PathBuf> {
588        crate::core::data_dir::lean_ctx_data_dir()
589            .ok()
590            .map(|d| d.join("config.toml"))
591    }
592
593    pub fn local_path(project_root: &str) -> PathBuf {
594        PathBuf::from(project_root).join(".lean-ctx.toml")
595    }
596
597    fn find_project_root() -> Option<String> {
598        let cwd = std::env::current_dir().ok();
599
600        if let Some(root) =
601            crate::core::session::SessionState::load_latest().and_then(|s| s.project_root)
602        {
603            let root_path = std::path::Path::new(&root);
604            let cwd_is_under_root = cwd
605                .as_ref()
606                .map(|c| c.starts_with(root_path))
607                .unwrap_or(false);
608            let has_marker = root_path.join(".git").exists()
609                || root_path.join("Cargo.toml").exists()
610                || root_path.join("package.json").exists()
611                || root_path.join("go.mod").exists()
612                || root_path.join("pyproject.toml").exists()
613                || root_path.join(".lean-ctx.toml").exists();
614
615            if cwd_is_under_root || has_marker {
616                return Some(root);
617            }
618        }
619
620        if let Some(ref cwd) = cwd {
621            let git_root = std::process::Command::new("git")
622                .args(["rev-parse", "--show-toplevel"])
623                .current_dir(cwd)
624                .stdout(std::process::Stdio::piped())
625                .stderr(std::process::Stdio::null())
626                .output()
627                .ok()
628                .and_then(|o| {
629                    if o.status.success() {
630                        String::from_utf8(o.stdout)
631                            .ok()
632                            .map(|s| s.trim().to_string())
633                    } else {
634                        None
635                    }
636                });
637            if let Some(root) = git_root {
638                return Some(root);
639            }
640            return Some(cwd.to_string_lossy().to_string());
641        }
642        None
643    }
644
645    pub fn load() -> Self {
646        static CACHE: Mutex<Option<(Config, SystemTime, Option<SystemTime>)>> = Mutex::new(None);
647
648        let path = match Self::path() {
649            Some(p) => p,
650            None => return Self::default(),
651        };
652
653        let local_path = Self::find_project_root().map(|r| Self::local_path(&r));
654
655        let mtime = std::fs::metadata(&path)
656            .and_then(|m| m.modified())
657            .unwrap_or(SystemTime::UNIX_EPOCH);
658
659        let local_mtime = local_path
660            .as_ref()
661            .and_then(|p| std::fs::metadata(p).and_then(|m| m.modified()).ok());
662
663        if let Ok(guard) = CACHE.lock() {
664            if let Some((ref cfg, ref cached_mtime, ref cached_local_mtime)) = *guard {
665                if *cached_mtime == mtime && *cached_local_mtime == local_mtime {
666                    return cfg.clone();
667                }
668            }
669        }
670
671        let mut cfg: Config = match std::fs::read_to_string(&path) {
672            Ok(content) => toml::from_str(&content).unwrap_or_default(),
673            Err(_) => Self::default(),
674        };
675
676        if let Some(ref lp) = local_path {
677            if let Ok(local_content) = std::fs::read_to_string(lp) {
678                cfg.merge_local(&local_content);
679            }
680        }
681
682        if let Ok(mut guard) = CACHE.lock() {
683            *guard = Some((cfg.clone(), mtime, local_mtime));
684        }
685
686        cfg
687    }
688
689    fn merge_local(&mut self, local_toml: &str) {
690        let local: Config = match toml::from_str(local_toml) {
691            Ok(c) => c,
692            Err(_) => return,
693        };
694        if local.ultra_compact {
695            self.ultra_compact = true;
696        }
697        if local.tee_mode != TeeMode::default() {
698            self.tee_mode = local.tee_mode;
699        }
700        if local.output_density != OutputDensity::default() {
701            self.output_density = local.output_density;
702        }
703        if local.checkpoint_interval != 15 {
704            self.checkpoint_interval = local.checkpoint_interval;
705        }
706        if !local.excluded_commands.is_empty() {
707            self.excluded_commands.extend(local.excluded_commands);
708        }
709        if !local.passthrough_urls.is_empty() {
710            self.passthrough_urls.extend(local.passthrough_urls);
711        }
712        if !local.custom_aliases.is_empty() {
713            self.custom_aliases.extend(local.custom_aliases);
714        }
715        if local.slow_command_threshold_ms != 5000 {
716            self.slow_command_threshold_ms = local.slow_command_threshold_ms;
717        }
718        if local.theme != "default" {
719            self.theme = local.theme;
720        }
721        if !local.buddy_enabled {
722            self.buddy_enabled = false;
723        }
724        if !local.redirect_exclude.is_empty() {
725            self.redirect_exclude.extend(local.redirect_exclude);
726        }
727        if !local.disabled_tools.is_empty() {
728            self.disabled_tools.extend(local.disabled_tools);
729        }
730        if !local.extra_ignore_patterns.is_empty() {
731            self.extra_ignore_patterns
732                .extend(local.extra_ignore_patterns);
733        }
734        if local.rules_scope.is_some() {
735            self.rules_scope = local.rules_scope;
736        }
737        if !local.autonomy.enabled {
738            self.autonomy.enabled = false;
739        }
740        if !local.autonomy.auto_preload {
741            self.autonomy.auto_preload = false;
742        }
743        if !local.autonomy.auto_dedup {
744            self.autonomy.auto_dedup = false;
745        }
746        if !local.autonomy.auto_related {
747            self.autonomy.auto_related = false;
748        }
749        if !local.autonomy.auto_consolidate {
750            self.autonomy.auto_consolidate = false;
751        }
752        if local.autonomy.silent_preload {
753            self.autonomy.silent_preload = true;
754        }
755        if !local.autonomy.silent_preload && self.autonomy.silent_preload {
756            self.autonomy.silent_preload = false;
757        }
758        if local.autonomy.dedup_threshold != AutonomyConfig::default().dedup_threshold {
759            self.autonomy.dedup_threshold = local.autonomy.dedup_threshold;
760        }
761        if local.autonomy.consolidate_every_calls
762            != AutonomyConfig::default().consolidate_every_calls
763        {
764            self.autonomy.consolidate_every_calls = local.autonomy.consolidate_every_calls;
765        }
766        if local.autonomy.consolidate_cooldown_secs
767            != AutonomyConfig::default().consolidate_cooldown_secs
768        {
769            self.autonomy.consolidate_cooldown_secs = local.autonomy.consolidate_cooldown_secs;
770        }
771        if local.terse_agent != TerseAgent::default() {
772            self.terse_agent = local.terse_agent;
773        }
774        if !local.archive.enabled {
775            self.archive.enabled = false;
776        }
777        if local.archive.threshold_chars != ArchiveConfig::default().threshold_chars {
778            self.archive.threshold_chars = local.archive.threshold_chars;
779        }
780        if local.archive.max_age_hours != ArchiveConfig::default().max_age_hours {
781            self.archive.max_age_hours = local.archive.max_age_hours;
782        }
783        if local.archive.max_disk_mb != ArchiveConfig::default().max_disk_mb {
784            self.archive.max_disk_mb = local.archive.max_disk_mb;
785        }
786        if !local.allow_paths.is_empty() {
787            self.allow_paths.extend(local.allow_paths);
788        }
789        if local.minimal_overhead {
790            self.minimal_overhead = true;
791        }
792        if local.shell_hook_disabled {
793            self.shell_hook_disabled = true;
794        }
795    }
796
797    pub fn save(&self) -> std::result::Result<(), super::error::LeanCtxError> {
798        let path = Self::path().ok_or_else(|| {
799            super::error::LeanCtxError::Config("cannot determine home directory".into())
800        })?;
801        if let Some(parent) = path.parent() {
802            std::fs::create_dir_all(parent)?;
803        }
804        let content = toml::to_string_pretty(self)
805            .map_err(|e| super::error::LeanCtxError::Config(e.to_string()))?;
806        std::fs::write(&path, content)?;
807        Ok(())
808    }
809
810    pub fn show(&self) -> String {
811        let global_path = Self::path()
812            .map(|p| p.to_string_lossy().to_string())
813            .unwrap_or_else(|| "~/.lean-ctx/config.toml".to_string());
814        let content = toml::to_string_pretty(self).unwrap_or_default();
815        let mut out = format!("Global config: {global_path}\n\n{content}");
816
817        if let Some(root) = Self::find_project_root() {
818            let local = Self::local_path(&root);
819            if local.exists() {
820                out.push_str(&format!("\n\nLocal config (merged): {}\n", local.display()));
821            } else {
822                out.push_str(&format!(
823                    "\n\nLocal config: not found (create {} to override per-project)\n",
824                    local.display()
825                ));
826            }
827        }
828        out
829    }
830}
lean_ctx/core/config.rs

lean_ctx/core/
config.rs
