Create app.py

app.py

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+import streamlit as st
+from openai import OpenAI
+import os
+
+# 1. Configuration
+st.set_page_config(page_title="Executive Editor", layout="wide", page_icon="⚓")
+
+# API Key Logic (Same as before)
+api_key = os.environ.get("OPENAI_API_KEY")
+if not api_key:
+    try:
+        api_key = st.secrets["OPENAI_API_KEY"]
+    except (FileNotFoundError, KeyError):
+        st.error("OpenAI API Key not found.")
+        st.stop()
+
+client = OpenAI(api_key=api_key)
+
+# 2. Sidebar Controls (The "Executive Dashboard")
+with st.sidebar:
+    st.header("🖊️ Editing Parameters")
+    
+    # Mode Selection
+    edit_mode = st.radio(
+        "Optimization Goal",
+        [
+            "Standard Polish (Grammar & Flow)",
+            "BLUF (Bottom Line Up Front)",
+            "Diplomatic / De-escalate",
+            "Executive Summary (Concise)",
+            "Technical Precision"
+        ]
+    )
+    
+    # Output Format
+    format_mode = st.selectbox("Output Format", ["Plain Text", "Email Structure", "Memo Format", "Bullet Points"])
+    
+    st.divider()
+    
+    if st.button("🗑️ Clear Context", use_container_width=True):
+        st.session_state.messages = []
+        st.rerun()
+
+# 3. The "Command" System Prompt
+# Note the lower temperature and specific instructions for professional contexts.
+SYSTEM_PROMPT = f"""
+You are an expert Executive Editor and Technical Writer.
+Your goal is to rewrite the user's input to be clear, concise, and professional.
+
+CURRENT SETTINGS:
+- **Goal:** {edit_mode}
+- **Format:** {format_mode}
+
+OPERATIONAL RULES:
+1. **Direct Action:** Do not explain your changes unless asked. Just provide the rewritten text.
+2. **Preserve Intent:** Never change the core meaning or facts of the input.
+3. **No Fluff:** Remove adjectives and adverbs that do not add value. 
+4. **BLUF:** If the mode is "BLUF", ensure the main request or conclusion is the very first sentence.
+5. **Diplomacy:** If the mode is "Diplomatic", strip out aggression/emotion and replace with professional firmness.
+
+Start every response immediately with the rewritten text. 
+"""
+
+# 4. Session State
+if "messages" not in st.session_state:
+    st.session_state.messages = []
+
+# 5. Main Interface
+st.title("⚓ Executive Editor")
+st.markdown(f"**Current Mode:** `{edit_mode}`")
+
+# Display History
+for message in st.session_state.messages:
+    with st.chat_message(message["role"]):
+        st.markdown(message["content"])
+
+# Input Handling
+if user_input := st.chat_input("Paste text to edit, or type instructions..."):
+    
+    # User Message
+    st.session_state.messages.append({"role": "user", "content": user_input})
+    with st.chat_message("user"):
+        st.markdown(user_input)
+
+    # AI Response
+    with st.chat_message("assistant"):
+        message_placeholder = st.empty()
+        full_response = ""
+        
+        # We re-inject the system prompt every turn to capture Sidebar changes
+        messages_payload = [{"role": "system", "content": SYSTEM_PROMPT}] + st.session_state.messages
+        
+        try:
+            response = client.chat.completions.create(
+                model="gpt-4o",
+                messages=messages_payload,
+                temperature=0.3, # Low temp = High consistency/Precision
+                stream=True
+            )
+            
+            for chunk in response:
+                if chunk.choices[0].delta.content is not None:
+                    full_response += chunk.choices[0].delta.content
+                    message_placeholder.markdown(full_response + "▌")
+            
+            message_placeholder.markdown(full_response)
+            st.session_state.messages.append({"role": "assistant", "content": full_response})
+            
+        except Exception as e:
+            st.error(f"Error: {e}")