euhadra 0.2.0

A programmable voice input framework — ASR, LLM refinement, and OS integration as composable adapters
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172

use async_trait::async_trait;

use crate::traits::*;
use crate::types::*;

// ---------------------------------------------------------------------------
// MockAsr — returns a fixed transcript
// ---------------------------------------------------------------------------

pub struct MockAsr {
    pub transcript: String,
}

impl MockAsr {
    pub fn new(transcript: impl Into<String>) -> Self {
        Self {
            transcript: transcript.into(),
        }
    }
}

#[async_trait]
impl AsrAdapter for MockAsr {
    async fn transcribe(&self, _audio: &[AudioChunk]) -> Result<Transcript, AsrError> {
        Ok(Transcript::new(self.transcript.clone()))
    }
}

// ---------------------------------------------------------------------------
// MockContextProvider — returns a fixed context
// ---------------------------------------------------------------------------

pub struct MockContextProvider {
    pub snapshot: ContextSnapshot,
}

impl MockContextProvider {
    pub fn new() -> Self {
        Self {
            snapshot: ContextSnapshot::default(),
        }
    }

    pub fn with_app(mut self, name: impl Into<String>, field_type: FieldType) -> Self {
        self.snapshot.app_name = Some(name.into());
        self.snapshot.field_type = Some(field_type);
        self
    }
}

impl Default for MockContextProvider {
    fn default() -> Self {
        Self::new()
    }
}

#[async_trait]
impl ContextProvider for MockContextProvider {
    async fn get_context(&self) -> ContextSnapshot {
        self.snapshot.clone()
    }
}

// ---------------------------------------------------------------------------
// MockRefiner — passes text through or applies a fixed transformation
// ---------------------------------------------------------------------------

pub enum MockRefinerBehavior {
    /// Return the raw text unchanged.
    Passthrough,
    /// Uppercase the raw text (simple transformation for testing).
    Uppercase,
    /// Return a fixed string regardless of input.
    Fixed(String),
    /// Simulate an error.
    Fail(String),
}

pub struct MockRefiner {
    pub behavior: MockRefinerBehavior,
}

impl MockRefiner {
    pub fn passthrough() -> Self {
        Self {
            behavior: MockRefinerBehavior::Passthrough,
        }
    }

    pub fn uppercase() -> Self {
        Self {
            behavior: MockRefinerBehavior::Uppercase,
        }
    }

    pub fn fixed(text: impl Into<String>) -> Self {
        Self {
            behavior: MockRefinerBehavior::Fixed(text.into()),
        }
    }

    pub fn failing(msg: impl Into<String>) -> Self {
        Self {
            behavior: MockRefinerBehavior::Fail(msg.into()),
        }
    }
}

#[async_trait]
impl LlmRefiner for MockRefiner {
    async fn refine(&self, input: RefinementInput) -> Result<RefinementOutput, RefineError> {
        match &self.behavior {
            MockRefinerBehavior::Passthrough => Ok(RefinementOutput::TextInsertion {
                text: input.raw_text,
                formatting: None,
            }),
            MockRefinerBehavior::Uppercase => Ok(RefinementOutput::TextInsertion {
                text: input.raw_text.to_uppercase(),
                formatting: None,
            }),
            MockRefinerBehavior::Fixed(s) => Ok(RefinementOutput::TextInsertion {
                text: s.clone(),
                formatting: None,
            }),
            MockRefinerBehavior::Fail(msg) => Err(RefineError::Failed(msg.clone())),
        }
    }
}

// ---------------------------------------------------------------------------
// MockEmitter — collects output in a shared buffer
// ---------------------------------------------------------------------------

pub struct MockEmitter {
    pub outputs: std::sync::Arc<tokio::sync::Mutex<Vec<RefinementOutput>>>,
}

impl MockEmitter {
    pub fn new() -> Self {
        Self {
            outputs: std::sync::Arc::new(tokio::sync::Mutex::new(Vec::new())),
        }
    }

    pub fn outputs(&self) -> std::sync::Arc<tokio::sync::Mutex<Vec<RefinementOutput>>> {
        self.outputs.clone()
    }
}

impl Default for MockEmitter {
    fn default() -> Self {
        Self::new()
    }
}

#[async_trait]
impl OutputEmitter for MockEmitter {
    async fn emit(&self, output: RefinementOutput) -> EmitResult {
        self.outputs.lock().await.push(output);
        EmitResult::ok()
    }

    async fn undo(&self) -> EmitResult {
        let mut buf = self.outputs.lock().await;
        if buf.pop().is_some() {
            EmitResult::ok()
        } else {
            EmitResult::fail("nothing to undo")
        }
    }
}