lha 1.0.6

Long-Horizon Agent command-line package that installs the lha binary.
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

use crate::product::agent::input_slimming::InputSlimmingMetrics;
use crate::product::agent::input_slimming::InputSlimmingWireApi;
use crate::product::agent::protocol::InputSlimmingScope;
use crate::product::otel::OtelManager;

pub(super) fn emit_metrics(
    metrics: &InputSlimmingMetrics,
    otel: &OtelManager,
    model: &str,
    scope: InputSlimmingScope,
    wire_api: InputSlimmingWireApi,
) {
    let common_labels = &[
        ("model", model),
        ("feature_enabled", "true"),
        ("scope", scope.as_str()),
        ("wire_api", wire_api.as_str()),
    ];
    otel.counter(
        "lha.input_slimming.candidate",
        i64::try_from(metrics.candidates).unwrap_or(i64::MAX),
        common_labels,
    );
    for reference in &metrics.refs {
        otel.counter(
            "lha.input_slimming.slimmed",
            1,
            &[
                ("model", model),
                ("feature_enabled", "true"),
                ("scope", scope.as_str()),
                ("wire_api", wire_api.as_str()),
                ("strategy", reference.strategy.as_str()),
                ("tool_name", reference.tool_name.as_str()),
                ("zone", reference.zone.as_str()),
            ],
        );
    }
    otel.counter(
        "lha.input_slimming.measured_only",
        i64::try_from(metrics.measured_only).unwrap_or(i64::MAX),
        common_labels,
    );
    otel.counter(
        "lha.input_slimming.token_gate_fallback",
        i64::try_from(metrics.token_gate_fallbacks).unwrap_or(i64::MAX),
        common_labels,
    );
    for skipped in &metrics.skipped {
        otel.counter(
            "lha.input_slimming.skipped",
            1,
            &[
                ("model", model),
                ("feature_enabled", "true"),
                ("scope", scope.as_str()),
                ("wire_api", wire_api.as_str()),
                ("reason", skipped.reason.as_str()),
                (
                    "tool_name",
                    skipped.tool_name.as_deref().unwrap_or("unknown"),
                ),
            ],
        );
    }
    otel.histogram(
        "lha.input_slimming.tokens_before",
        i64::try_from(metrics.approx_tokens_before).unwrap_or(i64::MAX),
        common_labels,
    );
    otel.histogram(
        "lha.input_slimming.tokens_after",
        i64::try_from(metrics.approx_tokens_after).unwrap_or(i64::MAX),
        common_labels,
    );
    otel.histogram(
        "lha.input_slimming.tokens_saved",
        i64::try_from(metrics.approx_tokens_saved).unwrap_or(i64::MAX),
        common_labels,
    );
    for metric in &metrics.strategy_metrics {
        let labels = &[
            ("model", model),
            ("feature_enabled", "true"),
            ("scope", scope.as_str()),
            ("wire_api", wire_api.as_str()),
            ("strategy", metric.strategy.as_str()),
            ("tool_name", metric.tool_name.as_str()),
            ("zone", metric.zone.as_str()),
            ("gate_method", metric.gate_method.as_str()),
        ];
        otel.histogram(
            "lha.input_slimming.strategy.tokens_before",
            i64::try_from(metric.tokens_before).unwrap_or(i64::MAX),
            labels,
        );
        otel.histogram(
            "lha.input_slimming.strategy.tokens_after",
            i64::try_from(metric.tokens_after).unwrap_or(i64::MAX),
            labels,
        );
        otel.histogram(
            "lha.input_slimming.strategy.tokens_saved",
            i64::try_from(metric.tokens_saved).unwrap_or(i64::MAX),
            labels,
        );
        let ratio_bps = if metric.tokens_before == 0 {
            0
        } else {
            metric.tokens_after.saturating_mul(10_000) / metric.tokens_before
        };
        otel.histogram(
            "lha.input_slimming.strategy.compression_ratio_bps",
            i64::try_from(ratio_bps).unwrap_or(i64::MAX),
            labels,
        );
    }
}