feature/1214 session fetch refactor (#1215)

* chore(docs): remove token economy guide

* refactor(context): update GatewayContext to use Querier interface

* chore(database): update schema path

* docs: Update READMEs for x/did, x/dwn, and x/svc with UCAN integration

* chore(pkg): update database scope name

* refactor(did): optimize GenesisState proto methods

* refactor(svc): update Service proto to use repeated fields

* refactor(api): rename MsgSpawn to MsgInitialize

internal/database/sink/highway/query.sql

@@ -0,0 +1,138 @@
+-- name: InsertCredential :one
+INSERT INTO credentials (
+    handle,
+    credential_id,
+    origin,
+    type,
+    transports
+) VALUES ($1, $2, $3, $4, $5)
+RETURNING *;
+
+-- name: InsertProfile :one
+INSERT INTO profiles (
+    address,
+    handle,
+    origin,
+    name
+) VALUES ($1, $2, $3, $4)
+RETURNING *;
+
+-- name: GetProfileByID :one
+SELECT * FROM profiles
+WHERE id = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetProfileByAddress :one
+SELECT * FROM profiles
+WHERE address = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetChallengeBySessionID :one
+SELECT challenge FROM sessions
+WHERE id = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetHumanVerificationNumbers :one
+SELECT is_human_first, is_human_last FROM sessions
+WHERE id = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetSessionByID :one
+SELECT * FROM sessions
+WHERE id = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetSessionByClientIP :one
+SELECT * FROM sessions
+WHERE client_ipaddr = $1 AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: UpdateSessionHumanVerification :one
+UPDATE sessions
+SET 
+    is_human_first = $1,
+    is_human_last = $2,
+    updated_at = CURRENT_TIMESTAMP
+WHERE id = $3
+RETURNING *;
+
+-- name: UpdateSessionWithProfileID :one
+UPDATE sessions
+SET 
+    profile_id = $1,
+    updated_at = CURRENT_TIMESTAMP
+WHERE id = $2
+RETURNING *;
+
+-- name: CheckHandleExists :one
+SELECT COUNT(*) > 0 as handle_exists FROM profiles 
+WHERE handle = $1 
+AND deleted_at IS NULL;
+
+-- name: GetCredentialsByHandle :many
+SELECT * FROM credentials
+WHERE handle = $1
+AND deleted_at IS NULL;
+
+-- name: GetCredentialByID :one
+SELECT * FROM credentials
+WHERE credential_id = $1
+AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: SoftDeleteCredential :exec
+UPDATE credentials
+SET deleted_at = CURRENT_TIMESTAMP
+WHERE credential_id = $1;
+
+-- name: SoftDeleteProfile :exec
+UPDATE profiles
+SET deleted_at = CURRENT_TIMESTAMP
+WHERE address = $1;
+
+-- name: UpdateProfile :one
+UPDATE profiles
+SET 
+    name = $1,
+    handle = $2,
+    updated_at = CURRENT_TIMESTAMP
+WHERE address = $3 
+AND deleted_at IS NULL
+RETURNING *;
+
+-- name: GetProfileByHandle :one
+SELECT * FROM profiles
+WHERE handle = $1 
+AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetVaultConfigByCID :one
+SELECT * FROM vaults
+WHERE cid = $1 
+AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: GetVaultRedirectURIBySessionID :one
+SELECT redirect_uri FROM vaults
+WHERE session_id = $1 
+AND deleted_at IS NULL
+LIMIT 1;
+
+-- name: CreateSession :one
+INSERT INTO sessions (
+    id,
+    browser_name,
+    browser_version,
+    client_ipaddr,
+    platform,
+    is_desktop,
+    is_mobile,
+    is_tablet,
+    is_tv,
+    is_bot,
+    challenge,
+    is_human_first,
+    is_human_last,
+    profile_id
+) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)
+RETURNING *;