refactor: apply code review suggestions from bot

- Remove redundant hasattr(report, 'content') check; invoke_structured_or_freetext already returns str
- Fix overlapping numeric ranges in overall_band description; clarify Neutral vs Mixed distinction
- Add extra blank line in render_sentiment_report header for proper markdown block separation

Author: HrushiYadav

tradingagents/agents/analysts/social_media_analyst.py

@@ -76,10 +76,6 @@ def social_media_analyst_node(state):
                 render_sentiment_report,
                 "Social Media Analyst",
             )
-            # invoke_structured_or_freetext falls back to plain llm.invoke when
-            # structured output fails; in that case it returns an AIMessage, not a str.
-            if hasattr(report, "content"):
-                report = report.content
 
         return {
             "messages": [result],

tradingagents/agents/schemas.py

@@ -265,8 +265,10 @@ class SentimentReport(BaseModel):
     overall_band: SentimentBand = Field(
         description=(
             "Categorical sentiment label. Pick the band that best matches the "
-            "overall_score: Bullish (7-10), Mildly Bullish (5.5-7), Neutral/Mixed "
-            "(4.5-5.5), Mildly Bearish (3-4.5), Bearish (0-3)."
+            "overall_score: Bullish (7.1-10), Mildly Bullish (5.6-7.0), Neutral "
+            "(4.5-5.5, flat outlook with no strong signal), Mixed "
+            "(4.5-5.5, high-volume but conflicting signals), "
+            "Mildly Bearish (3.0-4.4), Bearish (0-2.9)."
         ),
     )
     confidence: Literal["low", "medium", "high"] = Field(
@@ -296,5 +298,6 @@ def render_sentiment_report(report: SentimentReport) -> str:
         f"**Overall Sentiment:** **{report.overall_band.value}** "
         f"(Score: {report.overall_score:.1f}/10, Confidence: {report.confidence})",
         "",
+        "",
     ])
     return header + report.narrative