Add strict pipeline and session config loading

internal/config/config.go

@@ -1,15 +1,91 @@
 package config
 
-// Config contains loaded pipeline and session configuration.
+// Config is the resolved combined configuration from pipeline.yml and session.yml.
 type Config struct {
-	Pipeline *Pipeline
-	Session  *Session
+	Pipeline     *PipelineConfig
+	Session      *SessionConfig
+	PipelinePath string
+	SessionPath  string
 }
 
-// Pipeline represents durable pipeline-level settings.
-type Pipeline struct{}
-
-// Session represents per-session inputs and metadata.
-type Session struct {
-	SessionID string
+// PipelineConfig contains durable pipeline-level settings.
+type PipelineConfig struct {
+	Workspace    WorkspaceConfig    `yaml:"workspace"`
+	Storage      StorageConfig      `yaml:"storage"`
+	WhisperX     WhisperXConfig     `yaml:"whisperx"`
+	Seriatim     SeriatimConfig     `yaml:"seriatim"`
+	Audita       AuditaConfig       `yaml:"audita"`
+	Analyzer     AnalyzerConfig     `yaml:"analyzer"`
+	Notification NotificationConfig `yaml:"notification"`
+}
+
+// SessionConfig contains per-session inputs and metadata.
+type SessionConfig struct {
+	SessionID string              `yaml:"session_id"`
+	Campaign  string              `yaml:"campaign"`
+	Date      string              `yaml:"date"`
+	Title     string              `yaml:"title"`
+	Inputs    SessionInputsConfig `yaml:"inputs"`
+}
+
+// WorkspaceConfig configures local workspace behavior.
+type WorkspaceConfig struct {
+	Root string `yaml:"root"`
+}
+
+// StorageConfig configures storage backends and related parameters.
+type StorageConfig struct {
+	Backend string `yaml:"backend"`
+	Bucket  string `yaml:"bucket"`
+	Prefix  string `yaml:"prefix"`
+}
+
+// WhisperXConfig configures WhisperX adapter settings.
+type WhisperXConfig struct {
+	BaseURL     string `yaml:"base_url"`
+	Timeout     string `yaml:"timeout"`
+	Concurrency int    `yaml:"concurrency"`
+}
+
+// SeriatimConfig configures seriatim adapter settings.
+type SeriatimConfig struct {
+	BinaryPath string   `yaml:"binary_path"`
+	Timeout    string   `yaml:"timeout"`
+	Args       []string `yaml:"args"`
+}
+
+// AuditaConfig configures audita adapter settings.
+type AuditaConfig struct {
+	BinaryPath string   `yaml:"binary_path"`
+	Timeout    string   `yaml:"timeout"`
+	Args       []string `yaml:"args"`
+}
+
+// AnalyzerConfig configures analyzer adapter settings.
+type AnalyzerConfig struct {
+	BinaryPath string           `yaml:"binary_path"`
+	Timeout    string           `yaml:"timeout"`
+	Artifacts  ArtifactSettings `yaml:"artifacts"`
+}
+
+// NotificationConfig configures notification backend settings.
+type NotificationConfig struct {
+	Backend   string `yaml:"backend"`
+	Recipient string `yaml:"recipient"`
+	Timeout   string `yaml:"timeout"`
+}
+
+// ArtifactSettings configures generated artifact selection and paths.
+type ArtifactSettings struct {
+	OutputDir string   `yaml:"output_dir"`
+	Types     []string `yaml:"types"`
+}
+
+// SessionInputsConfig contains per-session input references.
+type SessionInputsConfig struct {
+	AudioDir        string   `yaml:"audio_dir"`
+	AudioFiles      []string `yaml:"audio_files"`
+	SpeakersFile    string   `yaml:"speakers_file"`
+	AutocorrectFile string   `yaml:"autocorrect_file"`
+	GlossaryFile    string   `yaml:"glossary_file"`
 }