v1.0.13-preview.1

Feature: ClientMode::Empty now disables built-in skills by default

ClientMode::Empty now applies deny-by-default isolation to runtime-bundled skills in addition to other built-in capabilities. includedBuiltinSkills defaults to [] in Empty mode; pass an explicit allowlist to re-enable specific skills. This behavior is consistent across all six SDKs. (#2410)

// Node — empty mode: built-in skills excluded by default
const session = await client.createSession({ mode: ClientMode.Empty });
// opt back in:
const session = await client.createSession({ mode: ClientMode.Empty, includedBuiltinSkills: ["edit"] });

// C#
var session = await client.CreateSessionAsync(new SessionOptions { Mode = ClientMode.Empty });
// opt back in:
var session = await client.CreateSessionAsync(new SessionOptions { Mode = ClientMode.Empty, IncludedBuiltinSkills = ["edit"] });

# Python
session = await client.create_session(mode=ClientMode.EMPTY)
# opt back in:
session = await client.create_session(mode=ClientMode.EMPTY, included_builtin_skills=["edit"])

// Go
session, err := client.CreateSession(ctx, copilot.SessionOptions{Mode: copilot.ClientModeEmpty})
// opt back in:
session, err := client.CreateSession(ctx, copilot.SessionOptions{Mode: copilot.ClientModeEmpty, IncludedBuiltinSkills: []string{"edit"}})

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