chore: rename cameleer3 to cameleer

Rename Java packages from com.cameleer3 to com.cameleer, module
directories from cameleer3-* to cameleer-*, and all references
throughout workflows, Dockerfiles, docs, migrations, and pom.xml.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cameleer-server-app/src/main/resources/db/migration/V1__init.sql

@@ -0,0 +1,125 @@
+-- V1__init.sql — PostgreSQL schema for Cameleer Server
+-- PostgreSQL stores RBAC, configuration, and audit data only.
+-- All observability data (executions, metrics, diagrams, logs, stats) is in ClickHouse.
+
+-- =============================================================
+-- RBAC
+-- =============================================================
+
+CREATE TABLE users (
+    user_id      TEXT        PRIMARY KEY,
+    provider     TEXT        NOT NULL,
+    email        TEXT,
+    display_name TEXT,
+    password_hash TEXT,
+    created_at   TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at   TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE TABLE roles (
+    id            UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
+    name          TEXT        NOT NULL UNIQUE,
+    description   TEXT        NOT NULL DEFAULT '',
+    scope         TEXT        NOT NULL DEFAULT 'custom',
+    system        BOOLEAN     NOT NULL DEFAULT false,
+    created_at    TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+INSERT INTO roles (id, name, description, scope, system) VALUES
+    ('00000000-0000-0000-0000-000000000001', 'AGENT',    'Agent registration and data ingestion',              'system-wide', true),
+    ('00000000-0000-0000-0000-000000000002', 'VIEWER',   'Read-only access to dashboards and data',            'system-wide', true),
+    ('00000000-0000-0000-0000-000000000003', 'OPERATOR', 'Operational commands (start/stop/configure agents)',  'system-wide', true),
+    ('00000000-0000-0000-0000-000000000004', 'ADMIN',    'Full administrative access',                         'system-wide', true);
+
+CREATE TABLE groups (
+    id              UUID        PRIMARY KEY DEFAULT gen_random_uuid(),
+    name            TEXT        NOT NULL UNIQUE,
+    parent_group_id UUID        REFERENCES groups(id) ON DELETE SET NULL,
+    created_at      TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+INSERT INTO groups (id, name) VALUES
+    ('00000000-0000-0000-0000-000000000010', 'Admins');
+
+CREATE TABLE group_roles (
+    group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
+    role_id  UUID NOT NULL REFERENCES roles(id) ON DELETE CASCADE,
+    PRIMARY KEY (group_id, role_id)
+);
+
+INSERT INTO group_roles (group_id, role_id) VALUES
+    ('00000000-0000-0000-0000-000000000010', '00000000-0000-0000-0000-000000000004');
+
+CREATE TABLE user_groups (
+    user_id  TEXT NOT NULL REFERENCES users(user_id) ON DELETE CASCADE,
+    group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
+    PRIMARY KEY (user_id, group_id)
+);
+
+CREATE TABLE user_roles (
+    user_id TEXT NOT NULL REFERENCES users(user_id) ON DELETE CASCADE,
+    role_id UUID NOT NULL REFERENCES roles(id) ON DELETE CASCADE,
+    PRIMARY KEY (user_id, role_id)
+);
+
+CREATE INDEX idx_user_roles_user_id ON user_roles(user_id);
+CREATE INDEX idx_user_groups_user_id ON user_groups(user_id);
+CREATE INDEX idx_group_roles_group_id ON group_roles(group_id);
+CREATE INDEX idx_groups_parent ON groups(parent_group_id);
+
+-- =============================================================
+-- Server configuration
+-- =============================================================
+
+CREATE TABLE server_config (
+    config_key  TEXT        PRIMARY KEY,
+    config_val  JSONB       NOT NULL,
+    updated_at  TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_by  TEXT
+);
+
+-- =============================================================
+-- Application configuration
+-- =============================================================
+
+CREATE TABLE application_config (
+    application   TEXT PRIMARY KEY,
+    config_val    JSONB NOT NULL,
+    version       INTEGER NOT NULL DEFAULT 1,
+    updated_at    TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_by    TEXT
+);
+
+CREATE TABLE app_settings (
+    application_id    TEXT             PRIMARY KEY,
+    sla_threshold_ms  INTEGER          NOT NULL DEFAULT 300,
+    health_error_warn DOUBLE PRECISION NOT NULL DEFAULT 1.0,
+    health_error_crit DOUBLE PRECISION NOT NULL DEFAULT 5.0,
+    health_sla_warn   DOUBLE PRECISION NOT NULL DEFAULT 99.0,
+    health_sla_crit   DOUBLE PRECISION NOT NULL DEFAULT 95.0,
+    created_at        TIMESTAMPTZ      NOT NULL DEFAULT now(),
+    updated_at        TIMESTAMPTZ      NOT NULL DEFAULT now()
+);
+
+-- =============================================================
+-- Audit log
+-- =============================================================
+
+CREATE TABLE audit_log (
+    id          BIGSERIAL PRIMARY KEY,
+    timestamp   TIMESTAMPTZ NOT NULL DEFAULT now(),
+    username    TEXT NOT NULL,
+    action      TEXT NOT NULL,
+    category    TEXT NOT NULL,
+    target      TEXT,
+    detail      JSONB,
+    result      TEXT NOT NULL,
+    ip_address  TEXT,
+    user_agent  TEXT
+);
+
+CREATE INDEX idx_audit_log_timestamp ON audit_log (timestamp DESC);
+CREATE INDEX idx_audit_log_username ON audit_log (username);
+CREATE INDEX idx_audit_log_category ON audit_log (category);
+CREATE INDEX idx_audit_log_action ON audit_log (action);
+CREATE INDEX idx_audit_log_target ON audit_log (target);