fix(prompts): fix three infrastructure bugs in prompt dependency resolution

- ContentMacro: add __post_init__ to auto-derive raw_text when built
  programmatically, preventing str.replace("", X) corruption
- MacroParser: add @{target} shorthand syntax support mapped to REQUIRED kind,
  updating parse, has_macros, count_macros, and find_macro_positions
- Artifact: store content in model and SQLite DB, replace resolver placeholder
  with actual artifact content, add migration for existing databases

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-11 20:53:02 +01:00
parent 01b9596ce6
commit 706981c39f
9 changed files with 191 additions and 10 deletions

View File

@@ -89,6 +89,7 @@ class Artifact:
artifact_type: ArtifactType
content_digest: str
content_size: int = 0
content: str = ""
metadata: ArtifactMetadata = field(default_factory=ArtifactMetadata)
created_at: datetime = field(default_factory=datetime.utcnow)
updated_at: datetime = field(default_factory=datetime.utcnow)
@@ -126,6 +127,7 @@ class Artifact:
artifact_type=artifact_type,
content_digest=content_digest,
content_size=content_size,
content=content,
metadata=metadata or ArtifactMetadata(),
)
@@ -136,6 +138,7 @@ class Artifact:
Args:
new_content: New content string
"""
self.content = new_content
self.content_digest = calculate_content_digest(new_content)
self.content_size = len(new_content.encode('utf-8'))
self.updated_at = datetime.utcnow()
@@ -161,6 +164,7 @@ class Artifact:
"artifact_type": self.artifact_type.value,
"content_digest": self.content_digest,
"content_size": self.content_size,
"content": self.content,
"metadata": self.metadata.to_dict(),
"created_at": self.created_at.isoformat(),
"updated_at": self.updated_at.isoformat(),
@@ -176,6 +180,7 @@ class Artifact:
artifact_type=ArtifactType(data["artifact_type"]),
content_digest=data["content_digest"],
content_size=data.get("content_size", 0),
content=data.get("content", ""),
metadata=ArtifactMetadata.from_dict(data.get("metadata", {})),
created_at=datetime.fromisoformat(data["created_at"]),
updated_at=datetime.fromisoformat(data["updated_at"]),

View File

@@ -30,6 +30,7 @@ CREATE TABLE IF NOT EXISTS prompt_artifacts (
artifact_type TEXT NOT NULL,
content_digest TEXT NOT NULL,
content_size INTEGER DEFAULT 0,
content TEXT DEFAULT '',
metadata JSON,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
@@ -59,6 +60,13 @@ def initialize_artifact_tables(db_path: str) -> None:
conn = sqlite3.connect(db_path)
try:
conn.executescript(ARTIFACT_TABLES_SQL)
# Migration: add content column to existing databases
try:
conn.execute(
"ALTER TABLE prompt_artifacts ADD COLUMN content TEXT DEFAULT ''"
)
except sqlite3.OperationalError:
pass # Column already exists
conn.commit()
finally:
conn.close()
@@ -107,8 +115,8 @@ class SQLiteArtifactRepository(IArtifactRepository):
"""
INSERT INTO prompt_artifacts (
id, space_id, name, artifact_type, content_digest,
content_size, metadata, created_at, updated_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
content_size, content, metadata, created_at, updated_at
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
artifact.id,
@@ -117,6 +125,7 @@ class SQLiteArtifactRepository(IArtifactRepository):
artifact.artifact_type.value,
artifact.content_digest,
artifact.content_size,
artifact.content,
json.dumps(artifact.metadata.to_dict()),
artifact.created_at.isoformat(),
artifact.updated_at.isoformat(),
@@ -251,12 +260,14 @@ class SQLiteArtifactRepository(IArtifactRepository):
cursor = conn.execute(
"""
UPDATE prompt_artifacts
SET content_digest = ?, content_size = ?, metadata = ?, updated_at = ?
SET content_digest = ?, content_size = ?, content = ?,
metadata = ?, updated_at = ?
WHERE id = ?
""",
(
artifact.content_digest,
artifact.content_size,
artifact.content,
json.dumps(artifact.metadata.to_dict()),
artifact.updated_at.isoformat(),
artifact.id,
@@ -326,6 +337,7 @@ class SQLiteArtifactRepository(IArtifactRepository):
artifact_type=ArtifactType(row["artifact_type"]),
content_digest=row["content_digest"],
content_size=row["content_size"],
content=row["content"] or "",
metadata=ArtifactMetadata.from_dict(metadata_dict),
created_at=datetime.fromisoformat(row["created_at"]),
updated_at=datetime.fromisoformat(row["updated_at"]),

View File

@@ -143,9 +143,7 @@ class PromptResolver:
)
if artifact:
# Found! Get content (would need to load from storage in real impl)
# For now, we'll use a placeholder
content = f"[Content of {artifact.name} from {space_id}]"
content = artifact.content
resolved = ResolvedMacro(
macro=macro,

View File

@@ -46,6 +46,11 @@ class ContentMacro:
raw_text: str = ""
line_number: int = 0
def __post_init__(self) -> None:
"""Auto-derive raw_text when built programmatically."""
if not self.raw_text:
self.raw_text = f"@{{{self.target}}}"
def __str__(self) -> str:
"""String representation of macro."""
params = ''.join(f"|{k}={v}" for k, v in self.parameters.items())

View File

@@ -38,6 +38,9 @@ class MacroParser:
re.IGNORECASE
)
# Shorthand pattern: @{target} — maps to MacroKind.REQUIRED
SHORTHAND_PATTERN = re.compile(r'@\{([^}]+)\}')
# Parameter pattern: |key=value
PARAM_PATTERN = re.compile(r'\|([^=]+)=([^|]+)')
@@ -95,6 +98,19 @@ class MacroParser:
f"Line {line_number}: {e}"
) from e
# Scan for @{target} shorthand syntax
for match in self.SHORTHAND_PATTERN.finditer(line):
target = match.group(1).strip()
raw_text = match.group(0)
if target:
macros.append(ContentMacro(
kind=MacroKind.REQUIRED,
target=target,
parameters={},
raw_text=raw_text,
line_number=line_number,
))
return macros
def _parse_match(self, match: re.Match, line_number: int) -> ContentMacro:
@@ -172,7 +188,7 @@ class MacroParser:
content: Template content
Returns:
List of (start_pos, end_pos, macro_text) tuples
List of (start_pos, end_pos, macro_text) tuples sorted by position
"""
positions = []
for match in self.MACRO_PATTERN.finditer(content):
@@ -181,6 +197,13 @@ class MacroParser:
match.end(),
match.group(0)
))
for match in self.SHORTHAND_PATTERN.finditer(content):
positions.append((
match.start(),
match.end(),
match.group(0)
))
positions.sort(key=lambda p: p[0])
return positions
def count_macros(self, content: str) -> dict:
@@ -211,4 +234,4 @@ class MacroParser:
Returns:
True if any macros found
"""
return bool(self.MACRO_PATTERN.search(content))
return bool(self.MACRO_PATTERN.search(content) or self.SHORTHAND_PATTERN.search(content))