{"record":{"id":"023eaa494e88b4db","repo":"HKUDS/Vibe-Trading","slug":"thesis-is-required","errorCode":null,"errorMessage":"thesis is required","messagePattern":"thesis is required","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"agent/src/hypotheses/registry.py","lineNumber":193,"sourceCode":"            status: Initial lifecycle status.\n            universe: Target market or asset universe.\n            signal_definition: Signal logic.\n            data_sources: Source names.\n            skills: Related Vibe-Trading skills.\n            invalidation_notes: Initial invalidation notes.\n\n        Returns:\n            Created hypothesis.\n\n        Raises:\n            ValueError: If title/thesis/status are invalid.\n        \"\"\"\n        title = title.strip()\n        thesis = thesis.strip()\n        if not title:\n            raise ValueError(\"title is required\")\n        if not thesis:\n            raise ValueError(\"thesis is required\")\n\n        records = self.list()\n        now = _utc_now()\n        hyp = Hypothesis(\n            hypothesis_id=_new_hypothesis_id(title, now, {h.hypothesis_id for h in records}),\n            title=title,\n            thesis=thesis,\n            status=_validate_status(status),\n            universe=universe.strip(),\n            signal_definition=signal_definition.strip(),\n            data_sources=_coerce_str_list(data_sources),\n            skills=_coerce_str_list(skills),\n            invalidation_notes=invalidation_notes.strip(),\n            created_at=now,\n            updated_at=now,\n        )\n        records.append(hyp)\n        self._save(records)","sourceCodeStart":175,"sourceCodeEnd":211,"githubUrl":"https://github.com/HKUDS/Vibe-Trading/blob/80ffdda44c5c4db0dd84d70e051cca591cea67df/agent/src/hypotheses/registry.py#L175-L211","documentation":"HypothesisRegistry.create requires a non-blank thesis statement alongside the title. The thesis describes the economic rationale being tested, so an empty one is rejected before persistence.","triggerScenarios":"Calling registry.create(title=..., thesis=\"\") or thesis with only whitespace; forwarding a null/empty thesis from user input that gets stringified to ''.","commonSituations":"Partial form submissions, templated hypothesis creation where the thesis text field is optional in the UI but required by the registry, or test fixtures missing the thesis key.","solutions":["Provide a non-blank thesis describing the testable rationale","Validate both title and thesis in the caller before invoking create"],"exampleFix":"# before\nregistry.create(title=\"Momentum\", thesis=\" \")\n# after\nregistry.create(title=\"Momentum\", thesis=\"Returns persist due to slow information diffusion\")","handlingStrategy":"validation","validationCode":"title, thesis = (title or '').strip(), (thesis or '').strip()\nif not title or not thesis:\n    raise ValueError('title and thesis are both required')","typeGuard":"def is_valid_hypothesis_payload(title, thesis) -> bool:\n    return bool((title or '').strip() and (thesis or '').strip())","tryCatchPattern":"try:\n    registry.create(title=title, thesis=thesis)\nexcept ValueError as exc:\n    # distinguish blank fields from other validation errors via str(exc)\n    log.warning('create rejected: %s', exc)","preventionTips":["Treat thesis as mandatory in data models and forms","Fail fast on blank inputs at the caller","Use test fixtures that always include both fields"],"tags":["python","validation","required-field"],"backgroundTag":"missing-required-field","analyzedSha":"80ffdda44c5c4db0dd84d70e051cca591cea67df","analyzedAt":"2026-08-28T12:46:38.989Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}