cel-context 0.1.1

Portable context snapshots for AI agents. Normalize UI, browser, app, log, and external signals into reusable elements and snapshots.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153

//! Integration tests for the generic CEL context contract.

use cel_context::{
    build_from_external, resolve_reference, Bounds, ConfidenceBehavior, ConfidenceThresholds,
    ContentRole, ContextContribution, ContextElement, ContextMerger, ContextSource, ElementState,
    ScreenContext, StreamStatus,
};

#[test]
fn confidence_thresholds_default() {
    let thresholds = ConfidenceThresholds::default();
    assert_eq!(
        thresholds.behavior_for(0.95),
        ConfidenceBehavior::ActImmediately
    );
    assert_eq!(thresholds.behavior_for(0.8), ConfidenceBehavior::ActAndLog);
    assert_eq!(
        thresholds.behavior_for(0.6),
        ConfidenceBehavior::ActCautiously
    );
    assert_eq!(
        thresholds.behavior_for(0.3),
        ConfidenceBehavior::PauseAndNotify
    );
}

#[test]
fn context_element_serializes() {
    let element = element("test:button:1", "button", ContextSource::NativeApi);

    let json = serde_json::to_string(&element).unwrap();
    let deserialized: ContextElement = serde_json::from_str(&json).unwrap();

    assert_eq!(deserialized.id, "test:button:1");
    assert_eq!(deserialized.label.as_deref(), Some("Submit"));
    assert_eq!(deserialized.confidence, 0.0);
}

#[test]
fn screen_context_serializes() {
    let ctx = ScreenContext {
        app: "TestApp".into(),
        window: "Main Window".into(),
        elements: vec![
            element("native:btn:1", "button", ContextSource::NativeApi),
            element("vision:text:1", "text", ContextSource::Vision),
        ],
        network_events: vec![],
        http_events: vec![],
        timestamp_ms: 1_700_000_000_000,
        screen_width: None,
        screen_height: None,
        clipboard: None,
        window_list: vec![],
        audio: None,
        power: None,
        running_apps: vec![],
        recent_files: vec![],
        transcripts: vec![],
    };

    let json = serde_json::to_string(&ctx).unwrap();
    let back: ScreenContext = serde_json::from_str(&json).unwrap();
    assert_eq!(back.app, "TestApp");
    assert_eq!(back.elements.len(), 2);
}

#[test]
fn build_from_external_normalizes_elements() {
    let ctx = build_from_external(
        vec![element("dom:save", "textbox", ContextSource::Cdp)],
        vec![],
        "Browser".into(),
        "Settings".into(),
    );

    assert_eq!(ctx.app, "Browser");
    assert_eq!(ctx.window, "Settings");
    assert_eq!(ctx.elements[0].element_type, "input");
    assert_eq!(ctx.elements[0].actions, vec!["focus", "set_value"]);
    assert!(ctx.elements[0].confidence > 0.9);
}

#[test]
fn merger_combines_any_normalized_contributions() {
    let mut merger = ContextMerger::new().with_defaults("Fallback App", "Fallback Window");
    merger.push(
        ContextContribution::new(
            "native_adapter",
            vec![element("native:save", "button", ContextSource::NativeApi)],
        )
        .with_app("Native App")
        .with_window("Customer Form")
        .with_stream_status(StreamStatus {
            accessibility: false,
            display: false,
            network: false,
            signals: true,
            vision: false,
            audio_capture: false,
        }),
    );
    merger.push(ContextContribution::new(
        "ocr_adapter",
        vec![element("ocr:title", "text", ContextSource::Ocr)],
    ));

    let ctx = merger.build();
    assert_eq!(ctx.app, "Native App");
    assert_eq!(ctx.window, "Customer Form");
    assert_eq!(ctx.elements.len(), 2);

    let status = merger.stream_status();
    assert!(status.signals);
    assert!(!status.vision);
}

#[test]
fn references_resolve_against_snapshot() {
    let ctx = build_from_external(
        vec![element("native:save", "button", ContextSource::NativeApi)],
        vec![],
        "App".into(),
        "Window".into(),
    );
    let reference = ctx.elements[0].to_reference(1920, 1080);
    let resolved = resolve_reference(&ctx, &reference);

    assert_eq!(resolved.map(|el| el.id.as_str()), Some("native:save"));
}

fn element(id: &str, element_type: &str, source: ContextSource) -> ContextElement {
    ContextElement {
        id: id.into(),
        label: Some("Submit".into()),
        description: None,
        element_type: element_type.into(),
        value: None,
        bounds: Some(Bounds {
            x: 100,
            y: 200,
            width: 80,
            height: 30,
        }),
        state: ElementState::default(),
        parent_id: None,
        actions: vec![],
        confidence: 0.0,
        source,
        content_role: ContentRole::Interactive,
        properties: Default::default(),
    }
}