algocline_core/engine_api.rs
1use async_trait::async_trait;
2
3// ─── Parameter types (transport-independent) ─────────────────────
4
5/// A single query response in a batch feed.
6#[derive(Debug)]
7pub struct QueryResponse {
8 /// Query ID (e.g. "q-0", "q-1").
9 pub query_id: String,
10 /// The host LLM's response for this query.
11 pub response: String,
12 /// Token usage reported by the host for this query.
13 pub usage: Option<crate::TokenUsage>,
14}
15
16// ─── Engine API trait ────────────────────────────────────────────
17
18/// Transport-independent API for the algocline engine.
19///
20/// Abstracts the full public surface of AppService so that callers
21/// (MCP handler, future daemon client, etc.) can operate through
22/// `Arc<dyn EngineApi>` without depending on the concrete implementation.
23///
24/// All methods are async to support both local (in-process) and remote
25/// (socket/HTTP) implementations uniformly.
26#[async_trait]
27pub trait EngineApi: Send + Sync {
28 // ─── Core execution ──────────────────────────────────────
29
30 /// Execute Lua code with optional JSON context.
31 async fn run(
32 &self,
33 code: Option<String>,
34 code_file: Option<String>,
35 ctx: Option<serde_json::Value>,
36 project_root: Option<String>,
37 ) -> Result<String, String>;
38
39 /// Apply an installed strategy package. Task is optional.
40 async fn advice(
41 &self,
42 strategy: &str,
43 task: Option<String>,
44 opts: Option<serde_json::Value>,
45 project_root: Option<String>,
46 ) -> Result<String, String>;
47
48 /// Continue a paused execution — single response (with optional query_id).
49 async fn continue_single(
50 &self,
51 session_id: &str,
52 response: String,
53 query_id: Option<&str>,
54 usage: Option<crate::TokenUsage>,
55 ) -> Result<String, String>;
56
57 /// Continue a paused execution — batch feed.
58 async fn continue_batch(
59 &self,
60 session_id: &str,
61 responses: Vec<QueryResponse>,
62 ) -> Result<String, String>;
63
64 // ─── Session status ──────────────────────────────────────
65
66 /// Query active session status.
67 async fn status(&self, session_id: Option<&str>) -> Result<String, String>;
68
69 // ─── Evaluation ──────────────────────────────────────────
70
71 /// Run an evalframe evaluation suite.
72 ///
73 /// `auto_card`: when true, emit an immutable Card
74 /// (`~/.algocline/cards/{strategy}/{card_id}.toml`) summarizing the run.
75 async fn eval(
76 &self,
77 scenario: Option<String>,
78 scenario_file: Option<String>,
79 scenario_name: Option<String>,
80 strategy: &str,
81 strategy_opts: Option<serde_json::Value>,
82 auto_card: bool,
83 ) -> Result<String, String>;
84
85 /// List eval history, optionally filtered by strategy.
86 async fn eval_history(&self, strategy: Option<&str>, limit: usize) -> Result<String, String>;
87
88 /// View a specific eval result by ID.
89 async fn eval_detail(&self, eval_id: &str) -> Result<String, String>;
90
91 /// Compare two eval results with statistical significance testing.
92 async fn eval_compare(&self, eval_id_a: &str, eval_id_b: &str) -> Result<String, String>;
93
94 // ─── Scenarios ───────────────────────────────────────────
95
96 /// List available scenarios.
97 async fn scenario_list(&self) -> Result<String, String>;
98
99 /// Show the content of a named scenario.
100 async fn scenario_show(&self, name: &str) -> Result<String, String>;
101
102 /// Install scenarios from a Git URL or local path.
103 async fn scenario_install(&self, url: String) -> Result<String, String>;
104
105 // ─── Packages ────────────────────────────────────────────
106
107 /// Link a local directory as a project-local package (symlink to cache).
108 ///
109 /// Scope selection:
110 /// - `scope = None` or `Some("global")` — symlink into `~/.algocline/packages/`
111 /// (visible to all projects).
112 /// - `scope = Some("variant")` — record the path in `alc.local.toml`
113 /// at the project root (worktree-scoped override, git-ignored). No
114 /// symlink is created.
115 /// - Any other value → `Err("invalid scope: ...")`.
116 ///
117 /// `project_root` is only consulted when `scope = Some("variant")`.
118 /// If `None`, falls back to `ALC_PROJECT_ROOT` env or ancestor walk
119 /// from cwd.
120 async fn pkg_link(
121 &self,
122 path: String,
123 name: Option<String>,
124 force: Option<bool>,
125 scope: Option<String>,
126 project_root: Option<String>,
127 ) -> Result<String, String>;
128
129 /// List installed packages with metadata.
130 ///
131 /// When `project_root` is provided, project-local packages from `alc.toml`/`alc.lock`
132 /// are included with `scope: "project"`. Global packages carry `scope: "global"`.
133 async fn pkg_list(&self, project_root: Option<String>) -> Result<String, String>;
134
135 /// Install a package from a Git URL or local path.
136 async fn pkg_install(&self, url: String, name: Option<String>) -> Result<String, String>;
137
138 /// Remove a symlinked package from `~/.algocline/packages/`.
139 ///
140 /// Only removes symlinks; for installed (copied) packages, use `pkg_remove`.
141 async fn pkg_unlink(&self, name: String) -> Result<String, String>;
142
143 /// Remove a package declaration from `alc.toml` and `alc.lock`.
144 ///
145 /// Requires an `alc.toml` to be found (via `project_root` or ancestor walk).
146 /// Does NOT delete physical files from `~/.algocline/packages/`.
147 async fn pkg_remove(
148 &self,
149 name: &str,
150 project_root: Option<String>,
151 version: Option<String>,
152 ) -> Result<String, String>;
153
154 /// Heal broken package state by reinstalling entries whose installed
155 /// directory is missing. Other broken kinds (dangling symlink,
156 /// declared-path missing) are surfaced as `unrepairable` with a
157 /// suggested remediation.
158 async fn pkg_repair(
159 &self,
160 name: Option<String>,
161 project_root: Option<String>,
162 ) -> Result<String, String>;
163
164 // ─── Logging ─────────────────────────────────────────────
165
166 /// Append a note to a session's log file.
167 async fn add_note(
168 &self,
169 session_id: &str,
170 content: &str,
171 title: Option<&str>,
172 ) -> Result<String, String>;
173
174 /// View session logs.
175 async fn log_view(
176 &self,
177 session_id: Option<&str>,
178 limit: Option<usize>,
179 max_chars: Option<usize>,
180 ) -> Result<String, String>;
181
182 /// Aggregate stats across all logged sessions.
183 async fn stats(
184 &self,
185 strategy_filter: Option<&str>,
186 days: Option<u64>,
187 ) -> Result<String, String>;
188
189 // ─── Project lifecycle ────────────────────────────────────
190
191 /// Initialize `alc.toml` in the given project root.
192 ///
193 /// Creates a minimal `alc.toml` (`[packages]` section only).
194 /// Fails if `alc.toml` already exists (no overwrite).
195 async fn init(&self, project_root: Option<String>) -> Result<String, String>;
196
197 /// Re-resolve all `alc.toml` entries and rewrite `alc.lock`.
198 ///
199 /// Requires an `alc.toml` to be present. Returns resolved count and errors.
200 async fn update(&self, project_root: Option<String>) -> Result<String, String>;
201
202 /// Migrate a legacy `alc.lock` to `alc.toml` + new `alc.lock` format.
203 ///
204 /// Detects legacy format via `linked_at` / `local_dir` fields.
205 /// Backs up the old lock file as `alc.lock.bak`.
206 async fn migrate(&self, project_root: Option<String>) -> Result<String, String>;
207
208 // ─── Cards ───────────────────────────────────────────────
209
210 /// List Card summaries, optionally filtered by pkg.
211 async fn card_list(&self, pkg: Option<String>) -> Result<String, String>;
212
213 /// Fetch a full Card by id.
214 async fn card_get(&self, card_id: &str) -> Result<String, String>;
215
216 /// Filter/sort Cards using the Prisma-style `where` DSL.
217 ///
218 /// - `pkg`: restricts filesystem scan to a single pkg subdir (I/O hint).
219 /// - `where_`: nested-object predicate (see `card::parse_where`).
220 /// - `order_by`: array of dotted-path sort keys; `-` prefix = desc.
221 /// - `limit` / `offset`: pagination.
222 async fn card_find(
223 &self,
224 pkg: Option<String>,
225 where_: Option<serde_json::Value>,
226 order_by: Option<serde_json::Value>,
227 limit: Option<usize>,
228 offset: Option<usize>,
229 ) -> Result<String, String>;
230
231 /// List aliases, optionally filtered by pkg.
232 async fn card_alias_list(&self, pkg: Option<String>) -> Result<String, String>;
233
234 /// Resolve an alias name to its bound Card and return the full Card JSON.
235 async fn card_get_by_alias(&self, name: &str) -> Result<String, String>;
236
237 /// Bind (or rebind) an alias to a Card.
238 async fn card_alias_set(
239 &self,
240 name: &str,
241 card_id: &str,
242 pkg: Option<String>,
243 note: Option<String>,
244 ) -> Result<String, String>;
245
246 /// Append new top-level fields to an existing Card (additive-only).
247 async fn card_append(&self, card_id: &str, fields: serde_json::Value)
248 -> Result<String, String>;
249
250 /// Install Cards from a Card Collection repo (Git URL or local path).
251 async fn card_install(&self, url: String) -> Result<String, String>;
252
253 /// Read per-case samples from a Card's sidecar JSONL file.
254 ///
255 /// `where_` applies the same Prisma-style DSL used by `card_find`
256 /// to each sample row; offset/limit page the post-filter stream.
257 async fn card_samples(
258 &self,
259 card_id: &str,
260 offset: Option<usize>,
261 limit: Option<usize>,
262 where_: Option<serde_json::Value>,
263 ) -> Result<String, String>;
264
265 /// Walk a Card's lineage tree via `metadata.prior_card_id`.
266 ///
267 /// - `direction`: `"up"` | `"down"` | `"both"` (default `"up"`).
268 /// - `depth`: max traversal depth (default 10).
269 /// - `include_stats`: include each node's `[stats]` section.
270 /// - `relation_filter`: optional list of accepted `prior_relation` values.
271 async fn card_lineage(
272 &self,
273 card_id: &str,
274 direction: Option<String>,
275 depth: Option<usize>,
276 include_stats: Option<bool>,
277 relation_filter: Option<Vec<String>>,
278 ) -> Result<String, String>;
279
280 // ─── Hub ─────────────────────────────────────────────────
281
282 /// Rebuild hub index from a packages directory.
283 ///
284 /// When `source_dir` is provided, scans that directory directly
285 /// (pure metadata, no manifest). When omitted, scans `~/.algocline/packages/`.
286 async fn hub_reindex(
287 &self,
288 output_path: Option<String>,
289 source_dir: Option<String>,
290 ) -> Result<String, String>;
291
292 /// Show detailed information for a single package.
293 async fn hub_info(&self, pkg: String) -> Result<String, String>;
294
295 /// Search packages across remote index + local install state.
296 async fn hub_search(
297 &self,
298 query: Option<String>,
299 category: Option<String>,
300 installed_only: Option<bool>,
301 limit: Option<usize>,
302 ) -> Result<String, String>;
303
304 // ─── Diagnostics ─────────────────────────────────────────
305
306 /// Show server configuration and diagnostic info.
307 async fn info(&self) -> String;
308}