Function contextModifier

src/tools/SkillTool/SkillTool.ts:775–839

(ctx)

      },
      newMessages,
      contextModifier(ctx) {
        let modifiedContext = ctx

        // Update allowed tools if specified
        if (allowedTools.length > 0) {
          // Capture the current getAppState to chain modifications properly
          const previousGetAppState = modifiedContext.getAppState
          modifiedContext = {
            ...modifiedContext,
            getAppState() {
              // Use the previous getAppState, not the closure's context.getAppState,
              // to properly chain context modifications
              const appState = previousGetAppState()
              return {
                ...appState,
                toolPermissionContext: {
                  ...appState.toolPermissionContext,
                  alwaysAllowRules: {
                    ...appState.toolPermissionContext.alwaysAllowRules,
                    command: [
                      ...new Set([
                        ...(appState.toolPermissionContext.alwaysAllowRules
                          .command || []),
                        ...allowedTools,
                      ]),
                    ],
                  },
                },
              }
            },
          }
        }

        // Carry [1m] suffix over — otherwise a skill with `model: opus` on an
        // opus[1m] session drops the effective window to 200K and trips autocompact.
        if (model) {
          modifiedContext = {
            ...modifiedContext,
            options: {
              ...modifiedContext.options,
              mainLoopModel: resolveSkillModelOverride(
                model,
                ctx.options.mainLoopModel,
              ),
            },
          }
        }

        // Override effort level if skill specifies one
        if (effort !== undefined) {
          const previousGetAppState = modifiedContext.getAppState
          modifiedContext = {
            ...modifiedContext,
            getAppState() {
              const appState = previousGetAppState()
              return {
                ...appState,
                effortValue: effort,