pass keywords to transcription adapters for spelling hints

internal/transcriber/adapter_groq_transcription.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"strings"
 	"time"
 
 	"github.com/sashabaranov/go-openai"
@@ -46,6 +47,11 @@ func (a *GroqTranscriptionAdapter) Transcribe(ctx context.Context, audioData []b
 		Language: a.config.Language,
 	}
 
+	// Add keywords as prompt to help with spelling hints
+	if len(a.config.Keywords) > 0 {
+		req.Prompt = strings.Join(a.config.Keywords, ", ")
+	}
+
 	start := time.Now()
 	resp, err := a.client.CreateTranscription(ctx, req)
 	duration := time.Since(start)

internal/transcriber/adapter_groq_translation.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"strings"
 	"time"
 
 	"github.com/sashabaranov/go-openai"
@@ -49,6 +50,11 @@ func (a *GroqTranslationAdapter) Transcribe(ctx context.Context, audioData []byt
 		Language: a.config.Language, // Source language hint
 	}
 
+	// Add keywords as prompt to help with spelling hints
+	if len(a.config.Keywords) > 0 {
+		req.Prompt = strings.Join(a.config.Keywords, ", ")
+	}
+
 	start := time.Now()
 	resp, err := a.client.CreateTranslation(ctx, req)
 	duration := time.Since(start)

internal/transcriber/adapter_openai.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"strings"
 	"time"
 
 	"github.com/sashabaranov/go-openai"
@@ -43,6 +44,11 @@ func (a *OpenAIAdapter) Transcribe(ctx context.Context, audioData []byte) (strin
 		Language: a.config.Language,
 	}
 
+	// Add keywords as initial_prompt to help with spelling hints
+	if len(a.config.Keywords) > 0 {
+		req.Prompt = strings.Join(a.config.Keywords, ", ")
+	}
+
 	start := time.Now()
 	resp, err := a.client.CreateTranscription(ctx, req)
 	duration := time.Since(start)

internal/transcriber/transcriber.go

@@ -25,6 +25,7 @@ type Config struct {
 	APIKey   string
 	Language string
 	Model    string
+	Keywords []string
 }
 
 // NewTranscriber creates a new simple transcriber