feat: add TraitsTab component for managing agent traits

- Implemented TraitsTab.svelte to handle CRUD operations for agent traits.
- Integrated grid for displaying traits with context menu actions for add, edit, and delete.
- Added trait instruction editing functionality with a dedicated editor.
- Updated AdminShell to include PersonasPage for navigation.
- Enhanced AppSidebar with a new entry for Personas.
- Extended ShellPage type to include 'personas'.
- Defined new types for AgentPersona, AgentPart, and AgentTrait in types.ts.

internal/generatedmodels/sql_public_agent_persona_skills.go

@@ -1,34 +0,0 @@
-// Code generated by relspecgo. DO NOT EDIT.
-package generatedmodels
-
-import (
-	"github.com/uptrace/bun"
-)
-
-type ModelPublicAgentPersonaSkills struct {
-	bun.BaseModel `bun:"table:public.agent_persona_skills,alias:agent_persona_skills"`
-	PersonaID     int64                     `bun:"persona_id,type:bigint,notnull," json:"persona_id"`
-	SkillID       int64                     `bun:"skill_id,type:bigint,notnull," json:"skill_id"`
-	RelPersonaID  *ModelPublicAgentPersonas `bun:"rel:has-one,join:persona_id=id" json:"relpersonaid,omitempty"` // Has one ModelPublicAgentPersonas
-	RelSkillID    *ModelPublicAgentSkills   `bun:"rel:has-one,join:skill_id=id" json:"relskillid,omitempty"`     // Has one ModelPublicAgentSkills
-}
-
-// TableName returns the table name for ModelPublicAgentPersonaSkills
-func (m ModelPublicAgentPersonaSkills) TableName() string {
-	return "public.agent_persona_skills"
-}
-
-// TableNameOnly returns the table name without schema for ModelPublicAgentPersonaSkills
-func (m ModelPublicAgentPersonaSkills) TableNameOnly() string {
-	return "agent_persona_skills"
-}
-
-// SchemaName returns the schema name for ModelPublicAgentPersonaSkills
-func (m ModelPublicAgentPersonaSkills) SchemaName() string {
-	return "public"
-}
-
-// GetPrefix returns the table prefix
-func (m ModelPublicAgentPersonaSkills) GetPrefix() string {
-	return "APS"
-}