feat: enhance UI, refactor services, improve templates and tests

- Replace image_extractor with pdf_image_extractor service
- Enhance pi_client with expanded API capabilities
- Improve summarizer service with additional features
- Update admin routes with more endpoints
- Add login page template
- Enhance detail page with comprehensive layout
- Improve search and trends pages
- Update base template with additional elements
- Refactor tests for better coverage
- Add validate_summary script
- Update project configuration and dependencies

app/services/schemas.py

@@ -12,8 +12,7 @@ from pydantic import BaseModel, Field, ValidationError, field_validator
 
 
 class PrerequisitesSchema(BaseModel):
-    concepts: list[str] = Field(default_factory=list)
-    level: str = ""
+    concepts: list[dict] = Field(default_factory=list)
 
 
 class MotivationSchema(BaseModel):
@@ -32,7 +31,7 @@ class MotivationSchema(BaseModel):
 class MethodSchema(BaseModel):
     overview: str = ""
     key_idea: str
-    steps: list[str] = Field(default_factory=list)
+    steps: str = ""
     novelty: str = ""
 
     @field_validator("key_idea")
@@ -44,14 +43,14 @@ class MethodSchema(BaseModel):
 
 
 class ResultsSchema(BaseModel):
-    main_findings: list[str] = Field(default_factory=list)
-    benchmarks: list[dict] = Field(default_factory=list)
-    limitations: list[str] = Field(default_factory=list)
+    main_findings: str = ""
+    benchmarks: list[str | dict] = Field(default_factory=list)
+    limitations: str = ""
 
 
 class ImprovementsSchema(BaseModel):
-    weaknesses: list[str] = Field(default_factory=list)
-    future_work: list[str] = Field(default_factory=list)
+    weaknesses: str = ""
+    future_work: str = ""
     reproducibility: str = ""
 
 
@@ -71,6 +70,7 @@ class SummarySchema(BaseModel):
     method: MethodSchema
     results: ResultsSchema = Field(default_factory=ResultsSchema)
     improvements: ImprovementsSchema = Field(default_factory=ImprovementsSchema)
+    figures: list[dict] = Field(default_factory=list)
 
     @field_validator("title_zh", "one_line")
     @classmethod
@@ -116,7 +116,7 @@ def assess_quality(schema: SummarySchema) -> str:
         missing_important += 1
     if not schema.method.overview.strip():
         missing_important += 1
-    if not schema.results.main_findings:
+    if not schema.results.main_findings.strip():
         missing_important += 1
 
     if missing_important == 0:
@@ -140,22 +140,17 @@ def flatten_for_db(schema: SummarySchema) -> dict:
         "motivation_gap": schema.motivation.gap,
         "method_overview": schema.method.overview,
         "method_key_idea": schema.method.key_idea,
-        "method_steps_json": json.dumps(schema.method.steps, ensure_ascii=False),
+        "method_steps_json": schema.method.steps,
         "method_novelty": schema.method.novelty,
-        "results_main_json": json.dumps(
-            schema.results.main_findings, ensure_ascii=False
-        ),
+        "results_main_json": schema.results.main_findings,
         "results_benchmarks_json": json.dumps(
             schema.results.benchmarks, ensure_ascii=False
         ),
-        "limitations_json": json.dumps(schema.results.limitations, ensure_ascii=False),
-        "weaknesses_json": json.dumps(
-            schema.improvements.weaknesses, ensure_ascii=False
-        ),
-        "future_work_json": json.dumps(
-            schema.improvements.future_work, ensure_ascii=False
-        ),
+        "limitations_json": schema.results.limitations,
+        "weaknesses_json": schema.improvements.weaknesses,
+        "future_work_json": schema.improvements.future_work,
         "reproducibility": schema.improvements.reproducibility,
+        "figures_json": json.dumps(schema.figures, ensure_ascii=False),
         "full_json": schema.model_dump_json(ensure_ascii=False),
         "updated_at": datetime.now(timezone.utc),
     }