Implemented new campaign/session stable inputs and corresponding input source references

internal/config/config.go

@@ -51,6 +51,8 @@ type CampaignInputsConfig struct {
 	SpeakersFile    string `yaml:"speakers_file"`
 	AutocorrectFile string `yaml:"autocorrect_file"`
 	GlossaryFile    string `yaml:"glossary_file"`
+	PlayersFile     string `yaml:"players_file"`
+	PartyFile       string `yaml:"party_file"`
 }
 
 // SessionConfig contains per-session inputs and metadata.
@@ -265,6 +267,8 @@ type SessionInputsConfig struct {
 	SpeakersFile    string               `yaml:"speakers_file"`
 	AutocorrectFile string               `yaml:"autocorrect_file"`
 	GlossaryFile    string               `yaml:"glossary_file"`
+	PlayersFile     string               `yaml:"players_file"`
+	PartyFile       string               `yaml:"party_file"`
 }
 
 // SessionAudioS3Input configures S3 session-audio input discovery.
@@ -278,6 +282,8 @@ type ResolvedStableInputs struct {
 	SpeakersFile    ResolvedInputFile
 	AutocorrectFile ResolvedInputFile
 	GlossaryFile    ResolvedInputFile
+	PlayersFile     ResolvedInputFile
+	PartyFile       ResolvedInputFile
 }
 
 // ResolvedInputFile records one merged config path and its source config file.