LCORE-1891: All identifiers in constants.py are real constants

Author: tisnik

src/constants.py

@@ -18,7 +18,7 @@
 TOPIC_SUMMARY_INTERRUPT_TIMEOUT_SECONDS: Final[float] = 30.0
 
 # Supported attachment types
-ATTACHMENT_TYPES = frozenset(
+ATTACHMENT_TYPES: Final[frozenset] = frozenset(
     {
         "alert",
         "api object",
@@ -31,7 +31,7 @@
 )
 
 # Supported attachment content types
-ATTACHMENT_CONTENT_TYPES = frozenset(
+ATTACHMENT_CONTENT_TYPES: Final[frozenset] = frozenset(
     {"text/plain", "application/json", "application/yaml", "application/xml"}
 )
 
@@ -120,7 +120,7 @@
 AUTH_MOD_JWK_TOKEN: Final[str] = "jwk-token"
 AUTH_MOD_RH_IDENTITY: Final[str] = "rh-identity"
 # Supported authentication modules
-SUPPORTED_AUTHENTICATION_MODULES = frozenset(
+SUPPORTED_AUTHENTICATION_MODULES: Final[frozenset] = frozenset(
     {
         AUTH_MOD_K8S,
         AUTH_MOD_NOOP,
@@ -130,7 +130,7 @@
         AUTH_MOD_RH_IDENTITY,
     }
 )
-DEFAULT_AUTHENTICATION_MODULE = AUTH_MOD_NOOP
+DEFAULT_AUTHENTICATION_MODULE: Final[str] = AUTH_MOD_NOOP
 # Maximum allowed size for base64-encoded x-rh-identity header (bytes)
 DEFAULT_RH_IDENTITY_MAX_HEADER_SIZE: Final[int] = 8192
 
@@ -216,7 +216,7 @@
 SOLR_DEFAULT_EMBEDDING_DIMENSION: Final[int] = 384
 
 # Default score multiplier for BYOK RAG vector stores
-DEFAULT_SCORE_MULTIPLIER = 1.0
+DEFAULT_SCORE_MULTIPLIER: Final[float] = 1.0
 
 # Special RAG ID that activates the OKP provider when listed in rag.inline or rag.tool
 OKP_RAG_ID: Final[str] = "okp"
@@ -243,7 +243,7 @@
 # Placeholder slug used in responses when the server substituted its own
 # system prompt for the client's instructions.  Avoids leaking the actual
 # server prompt back to the client.
-SUBSTITUTED_INSTRUCTIONS_PLACEHOLDER = "<server prompt applied>"
+SUBSTITUTED_INSTRUCTIONS_PLACEHOLDER: Final[str] = "<server prompt applied>"
 # Input size limits for API request validation
 # Maximum character length for the question field in /v1/infer requests (32 KiB)
 RLSAPI_V1_QUESTION_MAX_LENGTH: Final[int] = 32_768