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harn_vm/orchestration/
mod.rs

1use std::path::PathBuf;
2use std::{cell::RefCell, thread_local};
3
4use serde::{Deserialize, Serialize};
5
6use crate::llm::vm_value_to_json;
7use crate::value::{VmError, VmValue};
8
9pub(crate) fn now_rfc3339() -> String {
10    use std::time::{SystemTime, UNIX_EPOCH};
11    let ts = SystemTime::now()
12        .duration_since(UNIX_EPOCH)
13        .unwrap_or_default()
14        .as_secs();
15    format!("{ts}")
16}
17
18pub(crate) fn new_id(prefix: &str) -> String {
19    format!("{prefix}_{}", uuid::Uuid::now_v7())
20}
21
22pub(crate) fn default_run_dir() -> PathBuf {
23    let base = std::env::current_dir().unwrap_or_else(|_| PathBuf::from("."));
24    crate::runtime_paths::run_root(&base)
25}
26
27mod hooks;
28pub use hooks::*;
29
30mod command_policy;
31pub use command_policy::*;
32
33mod compaction;
34pub use compaction::*;
35
36mod artifacts;
37pub use artifacts::*;
38
39mod assemble;
40pub use assemble::*;
41
42mod handoffs;
43pub use handoffs::*;
44
45mod friction;
46pub use friction::*;
47
48mod crystallize;
49pub use crystallize::*;
50
51mod release_fixture;
52pub use release_fixture::*;
53
54mod replay_oracle;
55pub use replay_oracle::*;
56
57mod policy;
58pub use policy::*;
59
60mod stage_options;
61pub use stage_options::*;
62
63mod workflow;
64pub use workflow::*;
65
66mod records;
67pub use records::*;
68
69mod merge_captain_audit;
70pub use merge_captain_audit::*;
71
72mod merge_captain_driver;
73pub use merge_captain_driver::*;
74
75mod merge_captain_ladder;
76pub use merge_captain_ladder::*;
77
78mod merge_captain_iteration;
79pub use merge_captain_iteration::*;
80
81pub mod playground;
82
83thread_local! {
84    static CURRENT_MUTATION_SESSION: RefCell<Option<MutationSessionRecord>> = const { RefCell::new(None) };
85    /// Workflow-level skill context, installed by `workflow_execute` so
86    /// every per-node agent loop constructed inside `execute_stage_node`
87    /// can pick up the same `skills:` / `skill_match:` registry without
88    /// threading a new parameter through every helper. Cleared on
89    /// workflow exit (success or error) by `WorkflowSkillContextGuard`.
90    static CURRENT_WORKFLOW_SKILL_CONTEXT: RefCell<Option<WorkflowSkillContext>> = const { RefCell::new(None) };
91}
92
93/// Skill wiring threaded from `workflow_execute` into the per-stage
94/// agent loops via thread-local context. `VmValue` wraps `Rc` and is
95/// not `Send`, so we store it in a thread-local rather than a mutex —
96/// the workflow runner pins itself to one task via `LocalSet`, so
97/// every stage observes the same context.
98#[derive(Clone, Default)]
99pub struct WorkflowSkillContext {
100    pub registry: Option<VmValue>,
101    pub match_config: Option<VmValue>,
102}
103
104pub fn install_workflow_skill_context(context: Option<WorkflowSkillContext>) {
105    CURRENT_WORKFLOW_SKILL_CONTEXT.with(|slot| {
106        *slot.borrow_mut() = context;
107    });
108}
109
110pub fn current_workflow_skill_context() -> Option<WorkflowSkillContext> {
111    CURRENT_WORKFLOW_SKILL_CONTEXT.with(|slot| slot.borrow().clone())
112}
113
114/// RAII guard that clears the workflow skill context on drop. Paired
115/// with `install_workflow_skill_context` at the top of `execute_workflow`
116/// so the context never leaks past a workflow's scope.
117pub struct WorkflowSkillContextGuard;
118
119impl Drop for WorkflowSkillContextGuard {
120    fn drop(&mut self) {
121        install_workflow_skill_context(None);
122    }
123}
124
125#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, Eq)]
126#[serde(default)]
127pub struct MutationSessionRecord {
128    pub session_id: String,
129    pub parent_session_id: Option<String>,
130    pub run_id: Option<String>,
131    pub worker_id: Option<String>,
132    pub execution_kind: Option<String>,
133    pub mutation_scope: String,
134    /// Declarative per-tool approval policy for this session. When `None`,
135    /// no policy-driven approval is requested; the session update stream
136    /// remains the only host-observable surface for tool dispatch.
137    pub approval_policy: Option<ToolApprovalPolicy>,
138}
139
140impl MutationSessionRecord {
141    pub fn normalize(mut self) -> Self {
142        if self.session_id.is_empty() {
143            self.session_id = new_id("session");
144        }
145        if self.mutation_scope.is_empty() {
146            self.mutation_scope = "read_only".to_string();
147        }
148        self
149    }
150}
151
152pub fn install_current_mutation_session(session: Option<MutationSessionRecord>) {
153    CURRENT_MUTATION_SESSION.with(|slot| {
154        *slot.borrow_mut() = session.map(MutationSessionRecord::normalize);
155    });
156}
157
158pub fn current_mutation_session() -> Option<MutationSessionRecord> {
159    CURRENT_MUTATION_SESSION.with(|slot| slot.borrow().clone())
160}
161pub(crate) fn parse_json_payload<T: for<'de> Deserialize<'de>>(
162    json: serde_json::Value,
163    label: &str,
164) -> Result<T, VmError> {
165    let payload = json.to_string();
166    let mut deserializer = serde_json::Deserializer::from_str(&payload);
167    let mut tracker = serde_path_to_error::Track::new();
168    let path_deserializer = serde_path_to_error::Deserializer::new(&mut deserializer, &mut tracker);
169    T::deserialize(path_deserializer).map_err(|error| {
170        let snippet = if payload.len() > 600 {
171            format!("{}...", &payload[..600])
172        } else {
173            payload.clone()
174        };
175        VmError::Runtime(format!(
176            "{label} parse error at {}: {} | payload={}",
177            tracker.path(),
178            error,
179            snippet
180        ))
181    })
182}
183
184pub(crate) fn parse_json_value<T: for<'de> Deserialize<'de>>(
185    value: &VmValue,
186) -> Result<T, VmError> {
187    parse_json_payload(vm_value_to_json(value), "orchestration")
188}
189
190#[cfg(test)]
191mod tests;