Update app.py

app.py

@@ -1,39 +1,351 @@
 import gradio as gr
-from pypdf import PdfReader
-
-def check_evidence(assertion, file_obj):
-    if file_obj is None or not assertion:
-        return "Waiting for file and assertion..."
-    
-    try:
-        # Extract text from PDF
-        reader = PdfReader(file_obj.name)
-        evidence_text = ""
-        for page in reader.pages:
-            evidence_text += page.extract_text() or ""
-        
-        # Simple, clean comparison
-        if assertion.lower().strip() in evidence_text.lower():
-            return "VERIFIED: The assertion was found in the document."
-        else:
-            return "FAILED: The assertion does not exist in the document."
-            
-    except Exception as e:
-        return f"Error: {str(e)}"
-
-# Minimalist Interface
-with gr.Blocks() as demo:
-    gr.Markdown("# Universal Evidence Auditor")
-    
-    with gr.Row():
-        with gr.Column():
-            file_input = gr.File(label="Upload PDF", file_types=[".pdf"])
-            claim_input = gr.Textbox(label="Assertion to Verify", placeholder="Paste the text you want to check...")
-            run_btn = gr.Button("Run Audit")
-        
-        with gr.Column():
-            output_text = gr.Textbox(label="Result", lines=5)
-
-    run_btn.click(check_evidence, inputs=[claim_input, file_input], outputs=output_text)
-
-demo.launch()
+import anthropic
+import os
+
+# ── Anthropic client (key from HF Space secret) ──────────────────────────────
+def get_client():
+    api_key = os.environ.get("ANTHROPIC_API_KEY", "")
+    if not api_key:
+        raise gr.Error("⚠️  ANTHROPIC_API_KEY secret not set. Add it in Space Settings → Secrets.")
+    return anthropic.Anthropic(api_key=api_key)
+
+
+# ── Technique runners ─────────────────────────────────────────────────────────
+
+def run_perspective(persona: str, task: str, metaphor: str) -> str:
+    """Technique 1 – Perspective-Shifting Prompts"""
+    if not persona.strip() or not task.strip():
+        return "⚠️  Please fill in both the Persona and the Task fields."
+    prompt = f"Be a {persona} who explains {task}"
+    if metaphor.strip():
+        prompt += f" using {metaphor} metaphors"
+    prompt += ". Give a rich, vivid explanation."
+    client = get_client()
+    msg = client.messages.create(
+        model="claude-sonnet-4-20250514",
+        max_tokens=1000,
+        messages=[{"role": "user", "content": prompt}],
+    )
+    return msg.content[0].text
+
+
+def run_constrained(ingredients: str, count: int) -> str:
+    """Technique 2 – Constrained Creativity Boosters"""
+    if not ingredients.strip():
+        return "⚠️  Please enter at least one ingredient / constraint."
+    items = [i.strip() for i in ingredients.split(",") if i.strip()]
+    prompt = (
+        f"Suggest {int(count)} innovative startup ideas that MUST incorporate ALL of the "
+        f"following elements: {', '.join(items)}. "
+        "Be wildly creative — find non-obvious connections. "
+        "For each idea: name, one-line pitch, and why the combination is powerful."
+    )
+    client = get_client()
+    msg = client.messages.create(
+        model="claude-sonnet-4-20250514",
+        max_tokens=1000,
+        messages=[{"role": "user", "content": prompt}],
+    )
+    return msg.content[0].text
+
+
+def run_meta(goal: str, criteria: str) -> str:
+    """Technique 3 – Meta-Prompts for Precision"""
+    if not goal.strip():
+        return "⚠️  Please enter a goal."
+    ranking_criteria = criteria if criteria.strip() else "1. Effectiveness  2. Cost  3. Ease of implementation"
+    prompt = (
+        f"First, suggest 3 concrete ways to: {goal}\n\n"
+        f"Then rank them by:\n{ranking_criteria}\n\n"
+        "Finally, critically identify 2–3 potential flaws in your own ranking system and "
+        "explain how those flaws could be mitigated."
+    )
+    client = get_client()
+    msg = client.messages.create(
+        model="claude-sonnet-4-20250514",
+        max_tokens=1200,
+        messages=[{"role": "user", "content": prompt}],
+    )
+    return msg.content[0].text
+
+
+def run_cot(problem: str, domain: str) -> str:
+    """Technique 4 – Chain-of-Thought Templates"""
+    if not problem.strip():
+        return "⚠️  Please describe the problem."
+    domain_hint = f" (domain: {domain})" if domain.strip() else ""
+    prompt = (
+        f"Let's solve this complex problem step by step{domain_hint}: {problem}\n\n"
+        "Follow this exact structure:\n"
+        "1. Break down the key components of the problem\n"
+        "2. Identify 3 potential failure points\n"
+        "3. Propose specific countermeasures for each failure point\n"
+        "4. Create a phased implementation roadmap\n"
+        "5. Predict 2 unexpected side effects (positive or negative) and how to handle them\n\n"
+        "Be thorough and specific at every step."
+    )
+    client = get_client()
+    msg = client.messages.create(
+        model="claude-sonnet-4-20250514",
+        max_tokens=1400,
+        messages=[{"role": "user", "content": prompt}],
+    )
+    return msg.content[0].text
+
+
+# ── Custom CSS ────────────────────────────────────────────────────────────────
+CSS = """
+@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=DM+Mono:wght@400;500&display=swap');
+
+:root {
+    --bg: #0b0c10;
+    --surface: #13151a;
+    --border: #1e2230;
+    --accent: #c8f135;
+    --accent2: #35f1c8;
+    --text: #e8eaf0;
+    --muted: #6b7280;
+    --radius: 10px;
+}
+
+body, .gradio-container {
+    background: var(--bg) !important;
+    font-family: 'Syne', sans-serif !important;
+    color: var(--text) !important;
+}
+
+/* Header */
+.header-wrap {
+    text-align: center;
+    padding: 2.5rem 1rem 1.5rem;
+    border-bottom: 1px solid var(--border);
+    margin-bottom: 1.5rem;
+}
+.header-wrap h1 {
+    font-size: 2.6rem;
+    font-weight: 800;
+    letter-spacing: -0.03em;
+    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    margin: 0;
+}
+.header-wrap p {
+    color: var(--muted);
+    font-family: 'DM Mono', monospace;
+    font-size: 0.85rem;
+    margin-top: 0.5rem;
+}
+
+/* Tabs */
+.tab-nav button {
+    background: transparent !important;
+    color: var(--muted) !important;
+    border: 1px solid transparent !important;
+    border-radius: var(--radius) !important;
+    font-family: 'Syne', sans-serif !important;
+    font-weight: 700 !important;
+    font-size: 0.9rem !important;
+    padding: 0.5rem 1.2rem !important;
+    transition: all 0.2s !important;
+}
+.tab-nav button.selected {
+    background: var(--surface) !important;
+    color: var(--accent) !important;
+    border-color: var(--border) !important;
+}
+.tab-nav button:hover {
+    color: var(--text) !important;
+}
+
+/* Inputs & Textareas */
+input[type="text"], textarea, .gr-textbox textarea {
+    background: var(--surface) !important;
+    border: 1px solid var(--border) !important;
+    border-radius: var(--radius) !important;
+    color: var(--text) !important;
+    font-family: 'DM Mono', monospace !important;
+    font-size: 0.88rem !important;
+    padding: 0.65rem 0.9rem !important;
+    transition: border-color 0.2s !important;
+}
+input[type="text"]:focus, textarea:focus {
+    border-color: var(--accent) !important;
+    outline: none !important;
+    box-shadow: 0 0 0 2px rgba(200, 241, 53, 0.12) !important;
+}
+
+/* Labels */
+label span, .gr-form label {
+    color: var(--text) !important;
+    font-family: 'Syne', sans-serif !important;
+    font-weight: 700 !important;
+    font-size: 0.82rem !important;
+    letter-spacing: 0.06em !important;
+    text-transform: uppercase !important;
+}
+
+/* Buttons */
+button.primary {
+    background: var(--accent) !important;
+    color: #0b0c10 !important;
+    border: none !important;
+    border-radius: var(--radius) !important;
+    font-family: 'Syne', sans-serif !important;
+    font-weight: 800 !important;
+    font-size: 0.9rem !important;
+    letter-spacing: 0.05em !important;
+    padding: 0.65rem 1.6rem !important;
+    cursor: pointer !important;
+    transition: transform 0.15s, opacity 0.15s !important;
+}
+button.primary:hover { opacity: 0.88 !important; transform: translateY(-1px) !important; }
+
+/* Output box */
+.output-box textarea {
+    background: #0f1117 !important;
+    border: 1px solid var(--border) !important;
+    border-left: 3px solid var(--accent2) !important;
+    font-family: 'DM Mono', monospace !important;
+    font-size: 0.86rem !important;
+    line-height: 1.65 !important;
+    color: var(--text) !important;
+    border-radius: 0 var(--radius) var(--radius) 0 !important;
+}
+
+/* Technique cards */
+.technique-card {
+    background: var(--surface);
+    border: 1px solid var(--border);
+    border-radius: var(--radius);
+    padding: 1rem 1.2rem;
+    margin-bottom: 1rem;
+}
+.technique-card .badge {
+    display: inline-block;
+    font-family: 'DM Mono', monospace;
+    font-size: 0.72rem;
+    font-weight: 500;
+    letter-spacing: 0.08em;
+    text-transform: uppercase;
+    padding: 0.2rem 0.6rem;
+    border-radius: 4px;
+    background: rgba(200,241,53,0.12);
+    color: var(--accent);
+    margin-bottom: 0.4rem;
+}
+.technique-card p {
+    color: var(--muted);
+    font-size: 0.84rem;
+    margin: 0;
+    line-height: 1.55;
+}
+
+/* Slider */
+input[type="range"] { accent-color: var(--accent) !important; }
+
+/* Footer */
+.footer-note {
+    text-align: center;
+    padding: 1.5rem;
+    color: var(--muted);
+    font-family: 'DM Mono', monospace;
+    font-size: 0.75rem;
+    border-top: 1px solid var(--border);
+    margin-top: 2rem;
+}
+"""
+
+# ── UI ────────────────────────────────────────────────────────────────────────
+with gr.Blocks(css=CSS, title="Prompt Engineering Toolkit") as demo:
+
+    gr.HTML("""
+    <div class="header-wrap">
+        <h1>⚡ Prompt Engineering Toolkit</h1>
+        <p>4 battle-tested techniques for precision AI output</p>
+    </div>
+    """)
+
+    with gr.Tabs():
+
+        # ── Tab 1: Perspective-Shifting ───────────────────────────────────────
+        with gr.Tab("01 · Perspective Shift"):
+            gr.HTML("""
+            <div class="technique-card">
+                <div class="badge">Formula: Be X who does Y using Z metaphors</div>
+                <p>Forces the AI to adopt a specific expert persona, shaping tone, depth, and vocabulary.
+                The metaphor layer bridges complex domains into intuitive language.</p>
+            </div>
+            """)
+            with gr.Row():
+                ps_persona = gr.Textbox(label="Persona (X)", placeholder="e.g. neurosurgeon, jazz musician, Viking navigator")
+                ps_task    = gr.Textbox(label="Explain / Do (Y)", placeholder="e.g. quantum entanglement, blockchain consensus")
+            ps_meta   = gr.Textbox(label="Metaphor Domain (Z) — optional", placeholder="e.g. cooking, football, carpentry")
+            ps_btn    = gr.Button("Generate →", variant="primary")
+            ps_out    = gr.Textbox(label="Output", lines=14, elem_classes=["output-box"])
+            ps_btn.click(run_perspective, inputs=[ps_persona, ps_task, ps_meta], outputs=ps_out)
+
+        # ── Tab 2: Constrained Creativity ────────────────────────────────────
+        with gr.Tab("02 · Constrained Creativity"):
+            gr.HTML("""
+            <div class="technique-card">
+                <div class="badge">Concept: Limitations force innovation</div>
+                <p>By restricting the solution space to specific ingredients, the AI must find
+                non-obvious creative bridges — generating ideas that would never emerge from open-ended prompts.</p>
+            </div>
+            """)
+            cc_items = gr.Textbox(
+                label="Ingredients / Constraints (comma-separated)",
+                placeholder="e.g. 3D printers, seaweed, TikTok",
+            )
+            cc_count = gr.Slider(label="Number of Ideas", minimum=2, maximum=8, value=5, step=1)
+            cc_btn   = gr.Button("Generate →", variant="primary")
+            cc_out   = gr.Textbox(label="Output", lines=18, elem_classes=["output-box"])
+            cc_btn.click(run_constrained, inputs=[cc_items, cc_count], outputs=cc_out)
+
+        # ── Tab 3: Meta-Prompts ───────────────────────────────────────────────
+        with gr.Tab("03 · Meta-Prompts"):
+            gr.HTML("""
+            <div class="technique-card">
+                <div class="badge">Concept: Make the AI critique its own output</div>
+                <p>Multi-stage prompting forces the model to suggest, rank, then audit its own
+                reasoning — surfacing blind spots and producing genuinely reliable recommendations.</p>
+            </div>
+            """)
+            mp_goal     = gr.Textbox(label="Goal / Challenge", placeholder="e.g. improve sleep quality, reduce team meeting time")
+            mp_criteria = gr.Textbox(
+                label="Ranking Criteria (one per line) — leave blank for defaults",
+                placeholder="1. Scientific validity\n2. Cost-effectiveness\n3. Ease of implementation",
+                lines=3,
+            )
+            mp_btn = gr.Button("Generate →", variant="primary")
+            mp_out = gr.Textbox(label="Output", lines=18, elem_classes=["output-box"])
+            mp_btn.click(run_meta, inputs=[mp_goal, mp_criteria], outputs=mp_out)
+
+        # ── Tab 4: Chain-of-Thought ───────────────────────────────────────────
+        with gr.Tab("04 · Chain of Thought"):
+            gr.HTML("""
+            <div class="technique-card">
+                <div class="badge">Concept: Force systematic reasoning</div>
+                <p>Breaks the problem into obligatory reasoning stages: decomposition → failure analysis →
+                countermeasures → roadmap → side-effect prediction. Prevents shallow or hand-wavy answers.</p>
+            </div>
+            """)
+            cot_problem = gr.Textbox(
+                label="Complex Problem",
+                placeholder="e.g. launching a product in a saturated market with zero ad budget",
+                lines=3,
+            )
+            cot_domain  = gr.Textbox(label="Domain Hint — optional", placeholder="e.g. B2B SaaS, healthcare, fintech")
+            cot_btn     = gr.Button("Generate ���", variant="primary")
+            cot_out     = gr.Textbox(label="Output", lines=22, elem_classes=["output-box"])
+            cot_btn.click(run_cot, inputs=[cot_problem, cot_domain], outputs=cot_out)
+
+    gr.HTML("""
+    <div class="footer-note">
+        Powered by Claude · claude-sonnet-4-20250514 · Requires ANTHROPIC_API_KEY secret
+    </div>
+    """)
+
+if __name__ == "__main__":
+    demo.launch()