Improve voice descriptions and normalized claude prompt

src/constants.py

@@ -42,43 +42,36 @@ SELECT_OPTION_B: str = "Select Option B"
 # inspiration for generating creative, expressive text inputs for TTS, and generating novel voices.
 SAMPLE_CHARACTER_DESCRIPTIONS: dict = {
     "🧘 Meditation Guru": (
-        "A serene meditation guide whose voice is a gentle stream of tranquility—soft, measured tones "
-        "that float like incense smoke. Each word emerges with mindful intention, creating a soothing "
-        "atmosphere of peace and present-moment awareness."
+        "A mindfulness instructor with a gentle, soothing voice that flows at a slow, measured pace with natural "
+        "pauses. Their consistently calm, low-pitched tone has minimal variation, creating a peaceful auditory "
+        "experience."
     ),
     "🚀 Stranded Astronaut": (
-        "A lone astronaut whose voice mirrors the silent vastness of space—a low, steady tone imbued "
-        "with isolation and quiet wonder. It carries the measured resolve of someone sending a final "
-        "transmission, with an undercurrent of wistful melancholy."
+        "An astronaut in deep space communicating with a clear, precise voice with subtle radio distortion. "
+        "Speaking with controlled emotion, technical accuracy, measured pacing and thoughtful silences."
     ),
-    "🎬 Noir Narrator": (
-        "A hardboiled detective whose voice cuts through darkness like neon on wet streets—sharp, "
-        "world-weary tones dripping with cynical wit. It paints pictures in shades of gray, each word "
-        "chosen with the precision of a private eye piecing together clues."
+    "🎬 Noir Detective": (
+        "A 1940s private investigator narrating with a low, gravelly voice and deliberate pacing. "
+        "Speaks with a cynical, world-weary tone that drops lower when delivering key observations."
     ),
     "🕯️ Victorian Ghost Storyteller": (
-        "A mysterious raconteur whose voice weaves shadows into stories—velvet-dark tones that dance "
-        "between whispers and dramatic flourishes. It draws listeners close with elegant phrasing, "
-        "building tension through perfectly timed pauses and haunting inflections."
+        "A Victorian-era raconteur speaking with a refined British accent and formal, precise diction. Voice "
+        "modulates between hushed, tense whispers and dramatic declarations when describing eerie occurrences."
     ),
     "🌿 British Naturalist": (
-        "A passionate, British nature documentarian with a voice that brings the wild to life—crisp, refined "
-        "tones brimming with wonder and expertise. It shifts seamlessly from hushed observation to "
-        "animated excitement, painting vivid pictures of the natural world's endless marvels."
+        "A wildlife documentarian speaking with a crisp, articulate British accent and clear enunciation. Voice "
+        "alternates between hushed, excited whispers and enthusiastic explanations filled with genuine wonder."
     ),
     "🌟 Texan Storyteller": (
-        "A warm-hearted Texan woman whose voice carries the spirit of wide-open skies—honeyed tones "
-        "rich with folksy wisdom and charm. It wraps around words like a comfortable quilt, sharing "
-        "tales with the unhurried grace of a front-porch conversation."
+        "A woman from rural Texas speaking with a warm voice and distinctive Southern drawl featuring elongated "
+        "vowels. Talks unhurriedly with a musical quality and occasional soft laughter."
     ),
     "🏴‍☠️ Pirate Captain": (
-        "A weathered sea captain whose voice rumbles like distant thunder—rich, commanding tones "
-        "seasoned by salt spray and adventure. It carries the weight of countless voyages, blending "
-        "gruff authority with the playful spirit of a born storyteller."
+        "A seafaring pirate captain commanding with a rough, weathered voice that varies from quiet growls to "
+        "authoritative shouts. Exaggerates consonants, particularly rolling Rs, when giving orders."
     ),
     "🏄 Surfer Dude": (
-        "A laid-back surfer with a voice that flows like ocean waves—a mellow, easygoing tone infused "
-        "with sun-soaked warmth. It carries the rhythmic cadence of breaking surf, punctuated by "
-        "carefree laughter and an infectious enthusiasm for life's simple pleasures."
+        "A California surfer talking with a casual, slightly nasal voice and laid-back rhythm. Uses rising "
+        "inflections at sentence ends and bursts into spontaneous laughter when excited."
     ),
 }

src/integrations/anthropic_api.py

@@ -87,9 +87,9 @@ class AnthropicConfig:
     @staticmethod
     def build_expressive_prompt(character_description: str) -> str:
         """
-        Constructs and returns a prompt based solely on the provided character description.
-        The returned prompt is intended to instruct Claude to generate expressive text from a character,
-        capturing the character's personality and emotional nuance, without including the system prompt.
+        Constructs and returns a prompt based on the provided character description.
+        This prompt instructs Claude to generate expressive dialogue that aligns semantically
+        with the character's voice qualities and persona, optimized for TTS synthesis.
 
         Args:
             character_description (str): A description of the character's voice and persona.
@@ -98,12 +98,22 @@ class AnthropicConfig:
             str: The prompt to be passed to the Anthropic API.
         """
         return f"""
-        Character Description: {character_description}\n
-        Based on the character description above, please generate a line of dialogue that captures the character's
-        unique personality, emotional depth, and distinctive tone. The response should sound like something the
-        character would naturally say, reflecting their background and emotional state, and be fully developed for
-        text-to-speech synthesis. Follow all of the requirements from the system prompt and output your 10-50 word
-        response.
+        Character Description: {character_description}
+
+        Please generate a short monologue (100-300 characters) that this character would naturally say.
+        The dialogue should:
+
+        - Match the speaking style, vocabulary, and emotional tone described in the character description
+        - Include appropriate speech patterns, pauses, and vocal mannerisms mentioned in the description
+        - Feel authentic to the character's background and situational context
+        - Express a complete thought with a clear beginning and end
+        - Sound natural when spoken aloud (avoid words that are difficult to pronounce)
+        - Use only standard punctuation (periods, commas, question marks, exclamation points, ellipses)
+        - Avoid quotation marks, parentheses, asterisks, or special formatting
+        - Be at least 100 characters but not exceed 300 characters in length
+
+        Respond ONLY with the dialogue itself. Do not include any explanations, quotation marks,
+        or additional context.
         """